Scientific Notation Exponent Laws

There are approximately 3.1 x 10⁸ people in the United States. If each person has 4.1 x 10¹ coins, how many coins are there altogether?

• 271 x 10¹⁰

• 271 x 10⁹

• 271 x 10¹¹

• 271 x 10⁸

A factory can make 3 × 10⁴ t-shirts per day, how many t-shirts will it make in 2.5 ×10² days?

• 7.5 × 10⁶ t-shirts

• 7.5 × 10⁴ t-shirts

• 75 × 10⁵ t-shirts

• none of these

(a⁴b¹⁹c²¹d^-14)⁰

• 1

• 0

• a⁴b¹⁹c²¹d^-14

• a^-4b^-19c^-21d¹⁴

(9n⁴)(6n⁷)

• 54n¹¹

• 15n¹¹

• 15n²⁸

• 54n²⁸

• A

• B

• C

• D

• A

• B

• C

• D

Simplify--express your solution as a number with an exponent

Mathematical Equivalence

OFF

• A

• B

• C

• D

• E

Simplify. Leave your answer in scientific notation.

• 1.5 x 10²

• 17.5 x 10²

• 8.5 x 10^-4

• 8.5 x 10²