Multiply and Divide Whole Numbers in Scientific Notation

(6 x 10⁶) x (2 x 10³)

• 2 x 10¹⁰

• 8 x 10⁹

• 1.2 x 10⁸

• 8 x 10¹⁰

When multiplying in scientific notation, what do you do with the constants (the whole numbers)?

• Keep them

• Add them

• Multiply them

Multiply:

(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.008 x 10¹⁰

• 3.008 x 10¹²

• 2.9375 x 10¹

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

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

DIVIDE:

(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

When multiplying numbers in scientific notation, what do you do with the exponents?

• Multiply them

• Add them

• Keep them the same

• Make them equal

Divide.

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²

• 2.5 x 10¹⁴

• 25 x 10¹²

• 25 x 10¹³