Scientific Notation Test Review

Scientific Notation

100

Write 0.028 in scientific notation.

2.8x10^(-2)

200

Write 0.000098 in scientific notation.

9.8x10^(-5)

300

Write 24567 into scientific notation. 

2.4567x10^4

400

Write .00004521 in scientific notation. 

4.521x10^(-5)

500

Write 9,870,000,000,000 in to scientific notation.

9.87 x 10^12

Standard Form

100

Write 9.89 x 10^7 into standard form 

98,900,000

200

Write 689 x 10^(-7) into standard form 

0.0000689

300

Write 1.023 x 10^3 into standard form 

1023

400

Write 1.24 x 10^5 into standard form

124,000

500

Write 5.534 X 10^(-6) into standard form 

0.000005534

Adding or Subtracting in Scientific Notation

100

(1.2 x 10³) + (7.9 x 10³) = ?

Write the answer in scientific notation.

9.1 x 10³

200

(3.5 x 10⁴) + (5.9 x 10⁶)

Write the answer in scientific notation.

5.935 x 10⁶

300

(7.3 x 10^-2) - (3.2 x 10^-2)

Write the answer in scientific notation.

4.1 x 10^-2

400

1,360,000,000 + 96,700,000,000

Write the answer scientific notation.

 9.806 x 10¹⁰

500

(1.5 x 10⁸) - (5.79 x 10⁷)

Write your answer in scientific notation.

9.21 x 10⁷

Dividing in Scientific Notation

100

(1.4 x 10⁵) / (1.4 x 10³)

Write your answer in scientific notation.

1 x 10²

200

(4.5 x 10⁷) / (9 x 10¹)

Write your answer in scientific notation.

5 x 10⁵

300

(3.2 x 10^-7) / (6.4 x 10^-5)

Write your answer in scientific notation.

5 x 10^(-3)

400

(2 x 10¹⁰) / (5 x 10⁸)

Write your answer in scientific notation.

4 x 10¹

500

(9.2 x 10¹²) / (2.3 x 10⁸)

Write your answer in scientific notation.

4 x 10⁴

Multiplying in Scientific Notation

100

(2.3 x 10^3) * (1.4 x 10^-2)

Write your answer in scientific notation.

3.22 x 10^1

200

(5.4 x 10^-9) * (1.72 x 10^4)

Write your answer in scientific notation.

9.288 x 10^(-5)

300

(3.8 x 10^7) * (7 x 10^2)

Write your answer in scientific notation.

2.66 x 10^10

400

(8.2 x 10^2) * (6.5 x 10^5)

Write your answer in scientific notation.

5.33 x 10^8

500

(9.2 x 10^-9) * (5.2 x 10^9)

Write you answer in scientific notation

4.784 x 10^1 

Comparing Scientific Notation

100

Compare: 6.23 × 10¹⁴ _____ 8.912 ×10¹²

^{( >, <, or =)}

6.23 × 10¹⁴ > 8.912 ×10¹²

200

which is greater: 5.15 × 10^-4 or 6.35 × 10^-5

5.15 × 10^-4

300

Which is greater? 

3.28 × 10¹⁷ and 4.25 ×10¹⁷

4.25 ×10¹⁷

400

Compare: -7.85 X 10²  or -9.85 X 10²

( >, <, or =)

-7.85 X 10² > -9.85 X 10²

500

Order from least to greatest

A: 4.5 X 10⁸

B: -4.5 X 10⁸

C: 4.5 X 10^-8

D: -4.5 X 10^-8

B: -4.5 X 10⁸

D: -4.5 X 10^-8

C: 4.5 X 10^-8

A: 4.5 X 10⁸