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Real-World Scientific Notation Problem Solving for 8th Graders

Authored by Anthony Clark

English, Mathematics

8th Grade

CCSS covered

Real-World Scientific Notation Problem Solving for 8th Graders
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist measures the mass of a small particle as 3.5 x 10^-9 grams. If she has 4.2 x 10^3 particles, what is the total mass of all the particles in grams?

3.0 x 10^-4 grams

1.47 x 10^-5 grams

2.8 x 10^-5 grams

1.05 x 10^-5 grams

Tags

CCSS.8.EE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car travels 2.5 x 10^5 meters in a race. If the race is 1.0 x 10^6 meters long, how much further does the car need to travel to finish the race?

1.0 x 10^6 meters

5.0 x 10^5 meters

2.5 x 10^5 meters

7.5 x 10^5 meters

Tags

CCSS.8.EE.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance from Earth to a nearby star is approximately 4.2 x 10^16 meters. If a spaceship travels at a speed of 3.0 x 10^7 meters per second, how long will it take to reach the star in seconds?

5.6 x 10^10 seconds

2.8 x 10^8 seconds

1.0 x 10^7 seconds

1.4 x 10^9 seconds

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A factory produces 1.5 x 10^4 widgets per day. If the factory operates for 2.0 x 10^3 days, how many widgets does it produce in total?

2.5 x 10^7

3.0 x 10^7

1.0 x 10^8

4.5 x 10^6

Tags

CCSS.8.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A researcher finds that a certain bacteria doubles in number every 3 hours. If the initial population is 1.2 x 10^2 bacteria, how many bacteria will there be after 12 hours?

2.56 x 10^3

1.92 x 10^3

1.20 x 10^2

1.44 x 10^3

Tags

CCSS.8.EE.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A satellite orbits Earth at an altitude of 3.6 x 10^7 meters. If another satellite orbits at 1.2 x 10^7 meters, what is the difference in their altitudes?

2.4 x 10^7 meters

4.0 x 10^7 meters

3.0 x 10^7 meters

1.8 x 10^7 meters

Tags

CCSS.8.EE.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A smartphone has a storage capacity of 2.5 x 10^9 bytes. If an app takes up 1.5 x 10^8 bytes, how much storage is left after installing the app?

2.0 x 10^9 bytes

2.35 x 10^9 bytes

2.1 x 10^9 bytes

2.4 x 10^9 bytes

Tags

CCSS.8.EE.A.4

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