Scientific Notation

Eric thought of a number and wrote it in scientific notation. The number is shown below. 2.1 x 10^-3 How is this number represented in standard notation?

• 2,100

• 0.00021

• 21,000

• 0.0021

Everett measured the weight of a substance as 0.000925 pounds. Which of the following shows the weight expresses in scientific notation?

• 
• 
• 
• 

Tags

CCSS.8.EE.A.3

Write 9.31 x 10^-5               in standard notation.

• 93,100,000

• 931,000

• 0.00000931

• 0.0000931

Tags

CCSS.8.EE.A.3

Write 0.000009 in scientific notation.

• 9 x 10^-6

• 9 x 10⁶

• 0.9 x 10^-5

• 0.9 x 10⁵

• 340000

• 340

• 3400

• 34000

Tags

CCSS.8.EE.A.3

• A

• B

• C

• D

Tags

CCSS.8.EE.A.3

• 0.00009132

• 0.00000009132

• 0.000000009132

• 0.00000009312

Tags

CCSS.8.EE.A.3

Write in scientific notation: 
0.0000378 

• 3.78 x 10^-5

• 3.78 x 10^-6

• 0.378 x 10^-5

• 8.9 × 10^-4

• 0.89 × 10^-4

• 8.9 × 10^-3

• 0.0089 × 10^-3

Tags

CCSS.8.EE.A.3

Match the following.

• 10,000

• 10^-4

• 0.0001

• 10^-3

• 0.001

• 10⁰

• 1,000

• 10⁴

• 1

• 10³

Tags

CCSS.6.EE.A.1