Scientific Notation Test Review

Scientific to Standard

100

Convert to standard notation: 4.7 X 10^4

47,000

200

Convert to standard notation: 8.923 X 10^2

892.3

300

Convert to standard notation: 987 X 10^5

98,700,000

400

Convert to standard notation: 3 X 10^6

3,000,000

500

Convert to standard notation: 3.425 X 10^8

342,500,000

Standard to Scientific

100

Convert to scientific notation: 234000

2.34 X 10^5

200

Convert to scientific notation: 25,360

2.536 X 10^4

300

Convert to scientific notation: 8,000,000

8 X 10^6

400

Convert to scientific notation: 734,239

7.34239 X 10^5

500

Convert to scientific notation: 45,300

4.53 X 10^4

Comparing

100

Which is bigger? 28,000 or 7.8 X 10^3

28,000

200

Which is smaller? 400,000 or 9.2 X 10^4

9.2 X 10^4

300

Which is smaller? 2 x 10^-2 or 1.5 X 10^-1

2 x 10^-2

400

A delivery truck weighs 3.5 x 10^4 pounds. An adult grizzly bear weighs 8 x 10^2 pounds. How many times heavier is the delivery truck than the gorilla? Round to the nearest whole number in standard form.

44 times

500

Alaska's population in 2020 was 7.33 x 10^5 people, while New Jersey's was 9.1625 x 10^6. Find the ratio of the population of New Jersey to Alaska, expressed in scientific notation. Explain what this means.

1.25 x 10; New Jersey's population is 12.5 times larger than Alaska's in 2020.

Standard to Negative Scientific

100

Convert to scientific notation: 0.0000345

3.45 X 10^-5

200

Convert to scientific notation: 0.0804

8.04 X 10^-2

300

Convert to scientific notation: 0.00094

9.4 X 10^-4

400

Convert to scientific notation: 0.000021006

2.1006 X 10^-5

500

Convert to scientific notation: 0.0000003

3.0 X 10^-7

Negative Scientific to Standard

100

Convert to standard notation: 3.0 X 10^-3

0.003

200

Convert to standard notation: 5.6 X 10^-4

0.00056

300

Convert to standard notation: 4.38 X 10^-5

0.0000438

400

Convert to standard notation: 1.002 X 10^-6

0.000001002

500

Convert to standard notation: 9.64 X 10^-7

0.000000964