Question 1

...... + 6 = - 13

Accepted Answer

-19

Answer

19

Answer

7

Answer

-7

Question 2

- 0.8 - 0.3 = - 0.5

Accepted Answer

False

Answer

True

Question 3

-2 - 8 x 0.5 =

Accepted Answer

- 6

Answer

5

Answer

6

Answer

- 5

Question 4

- 4 + - 2 = ...... ÷ - 9

Accepted Answer

54

Answer

-18

Answer

18

Answer

-54

Question 5

Which of these is equivalent to 0.001?

Accepted Answer

10^-3

Answer

10^-2

Answer

10^3

Answer

10^2

Question 6

10^4 - 10^3 + 10^0 =

Accepted Answer

901

Answer

1

Answer

100

Answer

10^1

Question 7

0.45 x 10^3

Accepted Answer

450

Answer

0.00045

Answer

0.450

Answer

45

Question 8

349 x 10^-2 =

Accepted Answer

3.49

Answer

0.349

Answer

34900

Answer

34.9

Question 9

26 ÷ 10^-2 =

Accepted Answer

2600

Answer

26

Answer

0.0026

Answer

0.26

Question 10

0. 075 ÷ 10^-4

Accepted Answer

750

Answer

750000

Answer

0.0000075

Answer

0.0750000

Question 11

Round 3669 to 2 significant figures

Accepted Answer

3700

Answer

37

Answer

3670

Answer

4000

Question 12

Round 0.05 to 3 significant figures

Accepted Answer

0.0500

Answer

0.050

Answer

0.005

Answer

0.05

Question 13

Round 38.668 to 1 decimal place

Accepted Answer

38.7

Answer

4

Answer

40

Answer

40.0

Question 14

Round 28.018 to 3 significant figures

Accepted Answer

28.0

Answer

28

Answer

28.018

Answer

28.02

Question 15

A cake weigh 300 g (to 1 significant figure) shared among 7 people. What is the weigh of the slice of cake they each get? Give your answer to the suitable degree of accuracy.

Accepted Answer

40 g

Answer

42.86 g

Answer

43 g

Answer

42.9 g

Question 16

2 + 1.5 + 0.01 (round your answer to the appropriate degree of accuracy)

Accepted Answer

4

Answer

3.50

Answer

3.51

Answer

3.5

Question 17

Simplify 45/210

Accepted Answer

3/14

Answer

15/70

Answer

45/210

Answer

9/70

Question 18

2/9 x 3/5 =

Accepted Answer

2/15

Answer

10/27

Answer

15/2

Answer

27/10

Question 19

........ - 2 1/5 = 2 1/5

Accepted Answer

4 2/5

Answer

2 1/10

Answer

0

Answer

2 1/5

Question 20

2 1/5  x 1 1/4

Accepted Answer

2 3/4

Answer

2 2/9

Answer

2 1/20

Answer

2 2/20

Question 21

........ x  2 1/2 = 1 2/3

Accepted Answer

2/3

Answer

2 1/3

Answer

3 1/3

Answer

4 1/6

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