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Adding and Converting Scientific Notation in Real Life

Authored by Anthony Clark

English, Mathematics

7th Grade

CCSS covered

Adding and Converting Scientific Notation in Real Life
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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^-27 kg. If another particle has a mass of 2.1 x 10^-27 kg, what is the total mass of both particles in scientific notation?

4.5 x 10^-27 kg

6.0 x 10^-27 kg

3.0 x 10^-27 kg

5.6 x 10^-27 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 another star is 3.8 x 10^16 meters away, what is the total distance to both stars in scientific notation?

9.0 x 10^16 meters

7.5 x 10^16 meters

8.0 x 10^16 meters

8.5 x 10^16 meters

Tags

CCSS.8.EE.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bacterium can reproduce every 20 minutes. If one bacterium reproduces into 1.5 x 10^6 bacteria in 2 hours, how many bacteria are there after 2 hours in scientific notation?

1.0 x 10^6

1.5 x 10^6

5.0 x 10^5

2.0 x 10^6

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A small computer chip can hold 1.2 x 10^9 bytes of data. If a larger chip can hold 2.5 x 10^9 bytes, how much data can both chips hold together in scientific notation?

4.0 x 10^9 bytes

3.7 x 10^9 bytes

1.5 x 10^9 bytes

2.0 x 10^9 bytes

Tags

CCSS.8.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The volume of a small water bottle is 5.0 x 10^-3 cubic meters. If a larger bottle holds 1.2 x 10^-3 cubic meters, what is the total volume of both bottles in scientific notation?

5.5 x 10^-3 m³

4.0 x 10^-3 m³

6.2 x 10^-3 m³

7.0 x 10^-3 m³

Tags

CCSS.8.EE.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A galaxy is estimated to contain about 1.0 x 10^11 stars. If another galaxy contains 2.5 x 10^10 stars, how many stars are there in total in scientific notation?

1.25 x 10^11

2.0 x 10^11

3.5 x 10^11

1.0 x 10^10

Tags

CCSS.8.EE.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The speed of light is approximately 3.0 x 10^8 meters per second. If a spaceship travels at 1.5 x 10^8 meters per second, what is the combined speed of both in scientific notation?

5.0 x 10^8 m/s

3.5 x 10^8 m/s

2.0 x 10^8 m/s

4.5 x 10^8 m/s

Tags

CCSS.8.EE.A.4

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