Question 1

A scientist measures the mass of a dust particle as

2.8 	imes 10^{-9}

kg. Another dust particle is estimated to be

5,000

times heavier. What is the mass of the second dust particle in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Question 2

If the distance from Earth to a distant star is

2.8 	imes 10^{-9}

kilometers, how far is this distance in meters? Assume

5,000

kilometer equals

1,000

meters.

Accepted Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Question 3

The mass of an electron is approximately

2.8 	imes 10^{-9}

kg. If a container holds

5,000

electrons, what is the total mass of the electrons in kilograms in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Answer

1.4 	imes 10^{-5}

kg

Question 4

A tiny droplet of water has a volume of

2.8 	imes 10^{-9}

liters. If you have a total of

5,000

such droplets, what is the total volume of water in liters in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

liters

Answer

1.4 	imes 10^{-5}

liters

Answer

1.4 	imes 10^{-5}

liters

Answer

1.4 	imes 10^{-5}

liters

Question 5

A rectangular area measures

2.8 	imes 10^{-9}

meters in length and

5,000

meters in width. What is the area of the rectangle in square meters, expressed in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

square meters

Answer

1.4 	imes 10^{-5}

square meters

Answer

1.4 	imes 10^{-5}

square meters

Answer

1.4 	imes 10^{-5}

square meters

Question 6

A grain of sand has a mass of

2.8 	imes 10^{-9}

kilograms. If you have

5,000

grains of sand, what is the total mass in kilograms expressed in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

kilograms

Answer

1.4 	imes 10^{-5}

kilograms

Answer

1.4 	imes 10^{-5}

kilograms

Answer

1.4 	imes 10^{-5}

kilograms

Question 7

The speed of light is approximately

2.8 	imes 10^{-9}

meters per second. How far does light travel in

5,000

seconds, expressed in meters in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Answer

1.4 	imes 10^{-5}

meters

Question 8

A computer processes data at a rate of

2.8 	imes 10^{-9}

bits per second. How much data is processed in

5,000

seconds, expressed in bits in scientific notation?

Accepted Answer

1.4 	imes 10^{-5}

bits

Answer

1.4 	imes 10^{-5}

bits

Answer

1.4 	imes 10^{-5}

bits

Answer

1.4 	imes 10^{-5}

bits

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