9-22-20 TEST on Multiply and Divide in Scientific Notation

Solve:

 $\frac{6\times10^6}{2\times10^3}$  

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

Tags

CCSS.8.EE.A.4

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

Tags

CCSS.8.EE.A.4

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

 $\left(2\times10^7\right)\left(4\times10^2\right)$  

•  $6\times10^5$  

•  $8\times10^5$  

•  $6\times10_{ }^9$  

•  $8\times10^9$  

Solve:

(6 x 10⁶) x (2 x 10³)

• 1.2 x 10¹⁰

• 8 x 10⁹

• 1.2 x 10⁸

• 8 x 10¹⁰

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

 $\frac{9\times10^{-2}}{3\times10^{-4}}$  

• 30

• 300

• 0.0003

• 0.03

 $\left(1.2\times10^4\right)\left(6\times10^5\right)$  

•  $.72\times10^{20}$  

•  $7.2\times10^{20}$  

•  $72\times10^9$  

•  $7.2\times10^9$  

 $\frac{3\times10^5}{6\times10^3}$  

• 5

• 50

• 500

• 5000

 $\left(5\times10^9\right)\left(5\times10^{-2}\right)$  

•  $2.5\times10^8$  

•  $25\times10^8$  

•  $2.5\times10^7$  

•  $0.25\times10^7$