
Mastering Scientific Notation: Multiply & Convert Challenges
Authored by Anthony Clark
English, Mathematics
8th Grade
CCSS covered

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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?
5.6 x 10^-6 grams
2.8 x 10^-4 grams
1.05 x 10^-5 grams
1.47 x 10^-5 grams
Tags
CCSS.8.EE.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car travels at a speed of 6.0 x 10^2 meters per minute. How far will it travel in 5.0 x 10^1 minutes?
2.5 x 10^4 meters
4.0 x 10^4 meters
3.0 x 10^4 meters
1.5 x 10^5 meters
Tags
CCSS.8.EE.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance from Earth to a star is approximately 4.0 x 10^16 meters. If a spaceship travels at a speed of 2.0 x 10^7 meters per hour, how long will it take to reach the star in hours?
2.0 x 10^9 hours
5.0 x 10^10 hours
3.0 x 10^7 hours
1.0 x 10^8 hours
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. How many widgets does it produce in 2.0 x 10^2 days?
2.5 x 10^6
1.0 x 10^5
4.5 x 10^6
3.0 x 10^6
Tags
CCSS.8.EE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher is studying bacteria that reproduce at a rate of 3.0 x 10^2 per hour. If the initial population is 2.0 x 10^3, how many bacteria will there be after 5 hours?
3.5 x 10^3
1.5 x 10^3
4.0 x 10^3
2.0 x 10^3
Tags
CCSS.8.EE.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A satellite orbits the Earth at a height of 3.0 x 10^7 meters. If it travels at a speed of 1.5 x 10^4 meters per second, how far does it travel in 2.0 x 10^2 seconds?
2.0 x 10^6 meters
3.0 x 10^6 meters
4.5 x 10^6 meters
1.0 x 10^6 meters
Tags
CCSS.8.EE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The volume of a small container is 2.5 x 10^-3 cubic meters. If you have 4 containers, what is the total volume in cubic meters?
1.0 x 10^-2 cubic meters
1.5 x 10^-2 cubic meters
5.0 x 10^-3 cubic meters
2.5 x 10^-3 cubic meters
Tags
CCSS.8.EE.A.4
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