Multiply and Divide Decimals by Exponents

Multiply.

(4.2 x 10⁵) (3.1 x 10⁴)

• 1.302 x 10⁹

• 7.3 x 10¹

• 13.02 x 10⁹

• 1.302 x 10¹⁰

Tags

CCSS.8.EE.A.4

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10^-15

Tags

CCSS.8.EE.A.4

Divide.

(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

Tags

CCSS.8.EE.A.4

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

• Add

• Subtract

• Multiply

• Divide

Tags

CCSS.8.EE.A.4

Tags

CCSS.8.EE.A.1

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

Tags

CCSS.8.EE.A.4

To multiply amounts in scientific notation, you can simply _______ the decimals and _______ the exponents.

• multiply...add

• add...add

• multiply...subtract

• multiply...multiply

Tags

CCSS.8.EE.A.4

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.3

multiply the decimals separately, multiply the exponents (by adding them) separately. your answer should still be in Scientific Notation.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.4