
Master 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 3.2 x 10^-27 kg. If she has 5.5 times as many particles, what is the total mass in scientific notation?
1.5 x 10^-26 kg
3.2 x 10^-26 kg
2.0 x 10^-27 kg
1.76 x 10^-26 kg
Tags
CCSS.8.EE.A.4
2.
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 2.0 x 10^7 meters per second, how long will it take to reach the star in seconds, expressed in scientific notation?
2.1 x 10^9
3.0 x 10^8
1.5 x 10^10
5.2 x 10^7
Tags
CCSS.8.EE.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bacteria culture grows at a rate of 1.5 x 10^3 bacteria per hour. If the culture is observed for 4 hours, how many bacteria are there in total, expressed in scientific notation?
6.0 x 10^3
3.0 x 10^3
1.2 x 10^4
4.5 x 10^3
Tags
CCSS.8.EE.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car's fuel efficiency is rated at 2.5 x 10^2 miles per gallon. If the car has a fuel tank capacity of 1.2 x 10^1 gallons, how far can the car travel on a full tank in scientific notation?
2.4 x 10^3 miles
3.5 x 10^2 miles
3.0 x 10^3 miles
1.2 x 10^4 miles
Tags
CCSS.8.EE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The speed of light is approximately 3.0 x 10^8 meters per second. How far does light travel in 5.0 x 10^2 seconds, expressed in scientific notation?
2.5 x 10^11 meters
1.0 x 10^10 meters
4.0 x 10^12 meters
1.5 x 10^11 meters
Tags
CCSS.8.EE.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computer processes data at a rate of 4.0 x 10^6 bytes per second. How many bytes can it process in 3.0 x 10^2 seconds, expressed in scientific notation?
1.5 x 10^8
2.4 x 10^9
1.2 x 10^9
1.0 x 10^9
Tags
CCSS.8.EE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A small asteroid has a diameter of 1.2 x 10^3 meters. If another asteroid is 3 times larger, what is the diameter of the larger asteroid in scientific notation?
2.4 x 10^3
3.6 x 10^3
1.2 x 10^4
4.8 x 10^3
Tags
CCSS.8.EE.A.4
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