Scientific Notation and Exponents Review

Determine the product between 300.5 x (3 x 10⁵)

• 9.015 x 10⁷

• 901.5 x 10⁵

• 9.015 x 10⁵

• 9.15 x 10⁴

Which shows the following expression simplified using the properties of powers.

• 3.3 x 10³

• 33 x 10³

• 3.3 x 10^-3

• 3300 x 10³

Add: (5.32 x 10⁵) + (4.11 x 10⁶)

• 9.43 x 10¹¹

• 9.43 x 10^-1

• 46.42 x 10⁶

• 4.642 x 10⁶

Subtract: (8.3 x 10⁶) - (3.4 x 10⁴)

• 8.266 x 10¹⁰

• 8.266x 10⁶

• 4.9 x 10²

• 49 x 10¹⁰

Simplify (2 x 10³) + (5 x 10⁵)

• 7 x 10²

• 10 x 10¹⁵

• 5.02 x 10⁵

• 1.0 x 10²

Simplify. Write your answer with positive exponents:

4a³b² * 3a^-4b^-3

• 7ab

• 12/ab (12 divided by ab)

• 12ab

• 12a^-1b^-1

The table shows the population of the three largest countries in North America in 2011. How many more people live in the US than Canada?

• 2.762 x10¹⁵

• 2.62 x 10⁷

• 2.762 x 10⁸

• 2 x 10⁸

3³

• 9

• 27

• 18

• 6

x² * x^-4

• x⁰

• x

• x²

• x^-2

Add (3 x 10³) + (5 x 10²)

• 3.5

• 3.5 x 10³

• 3.5 x 10²

• 3500