Scientific Notation Operations

Scientific Notation

100

Is the following written in scientific notation: 

23.5 x 10³

No, the first number must be between 1 and 9.99999...

200

Write the following in scientific notation: 

89,000,000

8.9 x 10⁷

300

Write the following in scientific notation: 

.0000345

3.45 x 10^-5

400

Which number is greater: 

6.7 x 10⁴  or 6.7 x 10⁷

6.7 x 10⁷

Addition

100

Solve: 

(4.6 x 10⁵) + (9.5 x 10⁵)

1.41 x 10⁶

200

Solve: 

(3.1 x 10²) + (3.1 x 10³)

3.41 x 10²

300

Solve:

928,000,000,000 + (6.08 x 10¹⁰)

9.888 x 10¹¹

400

Solve in scientific notation: 

(4.3 x 10⁴) + (3.1 x 10⁴) + (8 x 10⁴)

1.54 x 10^5

Subtraction

100

Solve: 

(3.5 x 10³) - (2.1 x 10³)

1.4 x 10³

200

Solve: (5.4 x 10⁵) - (1.4 x 10⁴)

5.26 x 10⁵

300

Solve: (2.1 x 10⁹) - (9.7 x 10⁷)

2.003 x 10⁹

400

Solve: (3.8 x 10⁶) - (2.4 x 10⁵)

3.56 x 10⁶

Multiplication

100

True or False: When multiplying an expression like the following, you multiply the exponents.

(2 x 10³) x (2 x 10²)

False, you add the exponents. 

200

Solve: 

(4 x 10⁶) x (2 x 10³)

8 x 10⁹

300

Solve:

(7.5 x 10⁴) x .005

3.75 x 10²

400

Solve:

(4.7 x 10²) x (6.2 x 10⁴)

2.914 x 10⁷