Operations With Scientific Notation

Which is the largest?
4.8 x 10^-6 
1.3 x 10²⁰
3.1 x 10^-4
9.2 x 10^-5 
9.5 x 10³²
5.9 x 10^-5
2.9 x 10²¹
8.4 x 10¹⁹

• 9.5 x 10³²

• 3.1 x 10^-4

• 8.4 x 10¹⁹

• 4.8 x 10^-6 

Tags

CCSS.8.EE.A.3

(3.8×10⁷)×162

• 6.156×10⁹

• 6.156×10⁸

• 615×10⁷

• 615×10⁸

Tags

CCSS.8.EE.A.4

Multiply using scientific notation.
(2 x 10³) x (1.9 x 10²)

• 3.8 x 10⁵

• 3.8 x 10²

• 3.8 x 10⁴

• 3.8 x 10⁶

Tags

CCSS.8.EE.A.4

Write 1.09 x 10^-4 in standard notation.

• 1,090

• 10,900

• 0.000109

• 0.0109

Tags

CCSS.8.EE.A.3

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

Write the answer in scientific notation.

5 x 10¹²

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2 x 10⁶

• 2.5 x 10²

• 2.5 x 10⁶

• 3 x 10²

• 2.5 x 10¹⁸

Tags

CCSS.8.EE.A.4

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10⁴

• .5 x 10³

The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?

• 4.5 x 10^-5

• 45 x 10^-4

• 45 x 10⁴

• 4.5 x 10⁵

Tags

CCSS.8.EE.A.3

The Earth is approximately 90,000,000 miles from the sun.  How long does it take light from the sun to reach the earth?  Use the speed of light to be approximately 2 x 10⁵ miles per second.

• 4.5 x 10² seconds

• 4.5 seconds

• 2.2 x 10² seconds

• 4.5 x 10¹ seconds

Tags

CCSS.8.EE.A.3

The Disney Online store sold 2 x 10⁴ Anna dolls last year.  They also sold 8 x 10⁴ Elsa dolls.  How many more Elsa dolls were sold than Anna dolls?

• 4.0 x 10⁰ more dolls

• 10 x 10⁴ more dolls

• 6.0 x 10⁴ more dolls

• 6.0 x 10⁰ more dolls

Tags

CCSS.8.EE.A.4