Mastering Scientific Notation: Subtraction & Multiplication

Mastering Scientific Notation: Subtraction & Multiplication

8th Grade

10 Qs

quiz-placeholder

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Mastering Scientific Notation: Subtraction & Multiplication

Mastering Scientific Notation: Subtraction & Multiplication

Assessment

Quiz

English, Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.A.4

Standards-aligned

Created by

Anthony Clark

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist measures the mass of a small particle as 3.5 x 10^-27 kg. If another particle has a mass of 1.2 x 10^-27 kg, what is the difference in their masses in scientific notation?

3.0 x 10^-27 kg

4.7 x 10^-27 kg

1.5 x 10^-27 kg

2.3 x 10^-27 kg

Tags

CCSS.8.EE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car travels a distance of 2.5 x 10^5 meters in one hour. If it travels another 1.3 x 10^5 meters in the next hour, what is the total distance traveled in scientific notation?

4.1 x 10^5 meters

3.0 x 10^5 meters

2.0 x 10^5 meters

3.8 x 10^5 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

2.7 x 10^4

4.0 x 10^4

1.5 x 10^4

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A researcher finds that a certain bacteria can reproduce at a rate of 2.0 x 10^3 bacteria per hour. If the bacteria reproduce for 5 hours, how many bacteria are there in total in scientific notation?

2.0 x 10^5

1.0 x 10^3

1.0 x 10^4

5.0 x 10^3

Tags

CCSS.8.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A satellite orbits the Earth at a height of 3.0 x 10^7 meters. If another satellite orbits at a height of 1.5 x 10^7 meters, what is the difference in their heights in scientific notation?

1.0 x 10^7 meters

3.5 x 10^7 meters

2.0 x 10^7 meters

1.5 x 10^7 meters

Tags

CCSS.8.EE.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A factory produces 1.2 x 10^6 widgets in a month. If production increases by 3.5 x 10^5 widgets the next month, what is the new production total in scientific notation?

1.55 x 10^6

1.9 x 10^6

1.25 x 10^6

1.2 x 10^6

Tags

CCSS.8.EE.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance from the Earth to the Moon is about 3.84 x 10^8 meters. If a spacecraft travels 1.2 x 10^8 meters towards the Moon, how far is it from the Moon in scientific notation?

3.84 x 10^8 meters

2.04 x 10^8 meters

2.64 x 10^8 meters

1.2 x 10^8 meters

Tags

CCSS.8.EE.A.4

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