Multiplying and Dividing Scientific Notation in Context

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?

• Multiply

• Divide

Tags

CCSS.8.EE.A.4

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

• Multiply

• Divide

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 many coins are there altogether?

• 271 x 10¹⁰

• 271 x 10⁹

• 271 x 10¹¹

• 271 x 10⁸

Tags

CCSS.8.EE.A.4

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²

• 2.5 x 10¹⁴

• 25 x 10¹²

• 25 x 10¹³

Tags

CCSS.8.EE.A.4

Evaluate the expression. Give the answer in scientific notation.

Mathematical Equivalence

OFF

Tags

CCSS.8.EE.A.4

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³

• 8 x 10³⁶

• 8 x 10⁵

• 8 x 10^-36

Tags

CCSS.8.EE.A.4

(2.8 * 10⁸) (2.2*10³)

• 6.16 * 10²⁴

• 5.0 * 10¹¹

• 6.16 * 10¹¹

• 61.6 * 10¹¹

Tags

CCSS.8.EE.A.4

(9.6 * 10⁴)(6.5 * 10²)

• 6.24 * 10⁷

• 62.4 * 10⁶

• 6.24 * 10⁸

• 6.24 * 10²

Tags

CCSS.8.EE.A.4

Multiply:
(1.4 x 10⁵)(2 x 10⁷)

• 2.8 x 10³⁵

• 2.4 x 10¹²

• 2.8 x 10¹²

Tags

CCSS.8.EE.A.4

(8.4 * 10⁶)/(2.1 * 10³)

• 0.4 * 10⁴

• 400 * 10^-3

• 4 * 10³

• 4 * 10²

Tags

CCSS.8.EE.A.4