Multiply and Divide 10s

60 x 10=

• 6000

• 60

• 610

• 600

Tags

CCSS.4.NBT.B.5

64 x 10 000

• 64 000

• 640 000

• 64 100

• 641 000

Tags

CCSS.5.NBT.B.5

23 x 20 =

(Hint - 23 x 2 x 10)

• 230

• 4600

• 232

• 460

Tags

CCSS.4.NBT.B.5

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

Multiply.

Write the answer in scientific notation.

(5 x 10⁶)(4 x 10⁴)

• 9 x 10¹⁰

• 20 x 10¹⁰

• 2 x 10¹¹

• 9 x 10²⁴

Tags

CCSS.8.EE.A.4

Multiply.

Write the answer in scientific notation.

(2 x 10⁹)(4 x 10⁴)

• 8 x 10⁵

• 6 x 10¹³

• 8 x 10¹³

• 8 x 10³⁶

Tags

CCSS.8.EE.A.4

Divide.

Write the answer in scientific notation.

5 x 10¹²

------------

2 x 10⁶

• 2.5 x 10²

• 2.5 x 10⁶

• 3 x 10²

• 2.5 x 10¹⁸

Tags

CCSS.8.EE.A.4