Question 1

If you want to convert 18 km/hr to m/s using the Ladder Method, what is the first conversion factor you should use?

Accepted Answer

1000 m = 1 km

Answer

60 s = 1 min

Answer

60 min = 1 hr

Answer

1 km = 0.621371 miles

Question 2

When using the Ladder Method to convert 18 km/hr to m/s, which unit will be canceled out first?

Accepted Answer

kilometers (km)

Answer

meters (m)

Answer

minutes (min)

Answer

hours (hr)

Question 3

What does the term 'Unit Cancelling' refer to in the context of the Ladder Method?

Accepted Answer

Removing unwanted units by using conversion factors

Answer

Adding conversion factors together

Answer

Multiplying measurements by zero

Answer

Changing the numerical values only

Question 4

If you successfully convert 18 km/hr to m/s, what is the final result?

Accepted Answer

5 m/s

Answer

3 m/s

Answer

8 m/s

Answer

10 m/s

Question 5

What is one of the primary reasons for using the Ladder Method in unit conversion?

Accepted Answer

To systematically organize multiple conversions

Answer

To simplify the measurements without calculations

Answer

To memorize unit definitions

Answer

To increase the size of the numbers

Question 6

In the conversion of 18 km/hr to m/s, which additional conversion factor must be used after converting kilometers to meters?

Accepted Answer

60 s = 1 min

Answer

1000 m = 1 km

Answer

60 min = 1 hr

Answer

3600 s = 1 hr

Question 7

What is the correct sequence of units to convert from km/hr to m/s using the Ladder Method?

Accepted Answer

km to m, then hr to s

Answer

hr to s, then km to m

Answer

m to km, then s to hr

Answer

s to hr, then m to km

Question 8

Which of the following is an example of a conversion factor?

Accepted Answer

1 km = 1000 m

Answer

1 hour = 60 minutes

Answer

2 km = 1 mile

Answer

100 m = 1 km

Question 9

What is the main purpose of using conversion factors in unit conversion?

Accepted Answer

To accurately change units without changing the measurement's value

Answer

To make calculations more complex

Answer

To eliminate all units from an equation

Answer

To add more units to the measurement

Question 10

In the Ladder Method, what is the last conversion factor you use when converting 18 km/hr to m/s?

Accepted Answer

60 s = 1 min

Answer

1 hr = 3600 s

Answer

60 min = 1 hr

Answer

1 km = 1000 m

Question 11

How many meters are in 4 kilometers?

Accepted Answer

4000 m

Answer

4 m

Answer

400 m

Answer

40 m

Question 12

If you have a speed of 30 m/s, what is that in km/hr?

Accepted Answer

108 km/hr

Answer

90 km/hr

Answer

66 km/hr

Answer

72 km/hr

Question 13

What is the conversion factor to change 1 liter to milliliters?

Accepted Answer

1000 mL

Answer

10 mL

Answer

1 mL

Answer

100 mL

Question 14

How many seconds are in 2 hours?

Accepted Answer

7200 s

Answer

3600 s

Answer

600 s

Answer

1200 s

Question 15

If a car travels at a speed of 90 km/hr, how many meters does it travel in 1 minute?

Accepted Answer

1500 m

Answer

1200 m

Answer

1800 m

Answer

900 m

Question 16

What is the equivalent of 5.5 grams in milligrams?

Accepted Answer

5500 mg

Answer

500 mg

Answer

55 mg

Answer

5000 mg

Question 17

How many centimeters are in 3.2 meters?

Accepted Answer

320 cm

Answer

3.2 cm

Answer

300 cm

Answer

32 cm

Question 18

How many feet are in 2.5 meters?

Accepted Answer

8.2 ft

Answer

7.5 ft

Answer

10 ft

Answer

6.5 ft

Question 19

How many ounces are in 1 liter?

Accepted Answer

33.8 oz

Answer

16 oz

Answer

30 oz

Answer

40 oz

Question 20

How many kilograms are in 2500 grams?

Accepted Answer

2.5 kg

Answer

250 kg

Answer

25 kg

Answer

0.25 kg

Question 21

How do you convert 5 kg to grams using the Ladder Method?

Accepted Answer

5,000 g

Answer

0.5 g

Answer

500 g

Answer

50 g

Question 22

If you have 1200 milliliters (mL), how many liters (L) do you have?

Accepted Answer

1.2 L

Answer

120 L

Answer

12 L

Answer

0.12 L

Question 23

What is 0.75 kilometers (km) in meters (m) using the Ladder Method?

Accepted Answer

750 m

Answer

7.5 m

Answer

75 m

Answer

0.075 m

Question 24

How many grams (g) are in 3.5 hectograms (hg)?

Accepted Answer

350 g

Answer

3,500 g

Answer

35 g

Answer

0.35 g

Question 25

What is 250 centiliters (cL) in liters (L)?

Accepted Answer

2.5 L

Answer

2500 L

Answer

25 L

Answer

0.25 L

Question 26

If you have 90 decimeters (dm), how many meters (m) do you have?

Accepted Answer

9 m

Answer

900 m

Answer

0.9 m

Answer

90,000 m

Question 27

How do you convert 1.5 kilometers (km) to meters (m) using the Ladder Method?

Accepted Answer

1,500 m

Answer

150 m

Answer

15 m

Answer

0.15 m

Question 28

How many milligrams (mg) are in 2.5 grams (g)?

Accepted Answer

2,500 mg

Answer

250,000 mg

Answer

250 mg

Answer

25 mg

Question 29

If you start with 600 liters (L), how many kiloliters (kL) do you have?

Accepted Answer

0.6 kL

Answer

6000 kL

Answer

60 kL

Answer

6 kL

Question 30

What is 850 millimeters (mm) in centimeters (cm)?

Accepted Answer

85 cm

Answer

8.5 cm

Answer

8500 cm

Answer

0.85 cm

Question 31

How is the number 500,000 written in scientific notation?

Accepted Answer

5.0 x 10^5

Answer

5 x 10^6

Answer

50 x 10^4

Answer

500 x 10^3

Question 32

Which of the following is the correct scientific notation for 0.00045?

Accepted Answer

4.5 x 10^-4

Answer

4.5 x 10^4

Answer

0.45 x 10^-3

Answer

45 x 10^-5

Question 33

What is the scientific notation of 9,100,000?

Accepted Answer

9.1 x 10^6

Answer

910 x 10^4

Answer

91 x 10^5

Answer

9.1 x 10^5

Question 34

How would you write 0.0000072 in scientific notation?

Accepted Answer

7.2 x 10^-6

Answer

72 x 10^-7

Answer

0.72 x 10^-5

Answer

7.2 x 10^-5

Question 35

What is the correct scientific notation for the number 150,000,000?

Accepted Answer

1.5 x 10^8

Answer

1.5 x 10^7

Answer

150 x 10^6

Answer

15 x 10^7

Question 36

How is 0.00012 expressed in scientific notation?

Accepted Answer

1.2 x 10^-4

Answer

1.2 x 10^4

Answer

0.12 x 10^-3

Answer

12 x 10^-5

Question 37

Which is the scientific notation for the number 5,600,000,000?

Accepted Answer

5.6 x 10^9

Answer

560 x 10^7

Answer

5.6 x 10^8

Answer

56 x 10^8

Question 38

How is the number 0.0000034 written in scientific notation?

Accepted Answer

3.4 x 10^-6

Answer

0.34 x 10^-3

Answer

34 x 10^-7

Answer

3.4 x 10^-5

Question 39

What is the scientific notation for 240,000,000,000?

Accepted Answer

2.4 x 10^{11}

Answer

24 x 10^{10}

Answer

240 x 10^{9}

Answer

2.4 x 10^{10}

Question 40

Which of the following represents 0.0000009 in scientific notation?

Accepted Answer

9 x 10^{-7}

Answer

90 x 10^{-8}

Answer

9 x 10^{-6}

Answer

0.9 x 10^{-6}

Question 41

What is the scientific notation for 420,000?

Accepted Answer

4.2 x 10^5

Answer

0.042 x 10^6

Answer

4.2 x 10^-5

Answer

42 x 10^4

Question 42

What is the scientific notation for 0.0000014?

Accepted Answer

1.4 x 10^-6

Answer

14 x 10^-7

Answer

1.4 x 10^6

Answer

0.14 x 10^-5

Question 43

What is the scientific notation for 735,000,000?

Accepted Answer

7.35 x 10^8

Answer

73.5 x 10^7

Answer

0.735 x 10^9

Answer

7.35 x 10^7

Question 44

What is the scientific notation for 0.00897?

Accepted Answer

8.97 x 10^-3

Answer

8.97 x 10^3

Answer

0.897 x 10^-2

Answer

89.7 x 10^-5

Question 45

What is the scientific notation for 1,200,000?

Accepted Answer

1.2 x 10^6

Answer

120 x 10^4

Answer

0.12 x 10^7

Answer

12 x 10^5

Question 46

What is the scientific notation for 0.00032?

Accepted Answer

3.2 x 10^-4

Answer

32 x 10^-5

Answer

0.32 x 10^-3

Answer

3.2 x 10^4

Question 47

What is the scientific notation for 56,000?

Accepted Answer

5.6 x 10^4

Answer

56 x 10^3

Answer

5.6 x 10^-4

Answer

0.56 x 10^5

Question 48

What is the scientific notation for 0.00045?

Accepted Answer

4.5 x 10^-4

Answer

4.5 x 10^4

Answer

45 x 10^-5

Answer

0.45 x 10^-3

Question 49

What is the scientific notation for 3,500,000,000?

Accepted Answer

3.5 x 10^9

Answer

3.5 x 10^8

Answer

0.35 x 10^10

Answer

35 x 10^8

Question 50

What is the scientific notation for 0.0000072?

Accepted Answer

7.2 x 10^-6

Answer

72 x 10^-8

Answer

0.72 x 10^-7

Answer

7.2 x 10^6

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