Multiply and Divide Scientific Notation

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²

• 6.3 x 10⁶

• 5.1 x 10⁶

• 6.3 x 10⁸

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³

• 8 x 10³⁶

• 8 x 10⁵

• 8 x 10^-36

What is the simplified form of
(3.25 x 10³)(7.8 x 10⁶)

• 2.535 x 10¹⁰

• 2.535 x 10¹⁸

• 2.535 x 10¹⁹

• 2.535 x 10⁹

.034 x 10⁷

• 3.4 x 10⁵

• 3.4 x 10⁷

• 3.4 x 10⁹

In the year 2000, the United States public debt was about 5.6 x 10¹² dollars. The population of the United States in that year was about 2.8 x 10⁸ people. What was the average debt per person?

• Multiply

• Divide

3.6 x 10²

• 3.6 x 10²

• 3.6 x 10⁸

• 4.6 x 10⁸

• 4.6 x 10²

Multiply:

(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.6 x 10²

• 4.08 x 10²

• 4.08 x 10^-15