
Mastering Subtraction & Addition in Scientific Notation
Authored by Anthony Clark
English, Mathematics
6th 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 kg. If another particle has a mass of 1.2 x 10^-9 kg, what is the difference in their masses in scientific notation?
2.3 x 10^-9 kg
1.5 x 10^-9 kg
4.7 x 10^-9 kg
3.0 x 10^-9 kg
Tags
CCSS.8.EE.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car travels a distance of 2.5 x 10^3 meters in one hour. If it travels another 1.5 x 10^3 meters in the next hour, what is the total distance traveled in scientific notation?
2.0 x 10^3 meters
4.0 x 10^3 meters
3.5 x 10^3 meters
5.0 x 10^3 meters
Tags
CCSS.8.EE.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The population of a small town is approximately 4.2 x 10^4 people. If 1.5 x 10^4 people move away, what is the new population in scientific notation?
3.5 x 10^4
4.0 x 10^4
2.7 x 10^4
1.5 x 10^4
Tags
CCSS.8.EE.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computer processes data at a speed of 2.0 x 10^6 bytes per second. If it processes 3.5 x 10^6 bytes in one minute, how many bytes are processed in scientific notation?
2.0 x 10^7
1.2 x 10^8
3.5 x 10^6
1.5 x 10^9
Tags
CCSS.8.EE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A biologist studies a bacteria culture that grows at a rate of 1.5 x 10^3 bacteria per hour. If the culture starts with 2.0 x 10^3 bacteria, how many bacteria are there after one hour in scientific notation?
2.5 x 10^3
1.0 x 10^3
3.5 x 10^3
4.0 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 descends to a height of 1.5 x 10^7 meters, what is the change in height in scientific notation?
3.0 x 10^7 meters
1.5 x 10^7 meters
1.0 x 10^7 meters
2.0 x 10^7 meters
Tags
CCSS.8.EE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A factory produces 5.0 x 10^4 toys in a month. If it produces 2.0 x 10^4 fewer toys the next month, how many toys does it produce in scientific notation?
3.0 x 10^4
5.0 x 10^5
2.0 x 10^4
4.0 x 10^4
Tags
CCSS.8.EE.A.4
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