VIRTUAL ONLY 8th grade - Scientific Notation Word problems

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 3.326 x 10⁵

• 3.326 x 10⁶

• 1.99 x 10³⁰

• 1.99 x 10⁶

A microgram is equal to 1 x 10 ^-6 grams. How many times greater than a microgram is 1 x 10² grams? 

• 1 x 10^-8

• 1 x 10^-4

• 1 x 10⁴

• 1 x 10⁸

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

Write 9,450,000 in scientific notation.

• 9.45 x 10⁴

• 9.45 x 10⁵

• 9.45 x 10⁶

• .945 x 10⁷

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

The mean distance from the sun to Earth is 9.29 x 10⁷ miles. Jupiter's mean distance from the sun is 4.8388 x 10⁸ miles. What is the difference between these two distances in miles? 

• 4.3092 x 10¹

• 3.9098 x 10⁷

• 3.9098 x 10⁸

• 5.7678 x 10⁸

41,260,000

• 4.1 x 10⁷

• 4.126 x 10^-7

• 4.1 x 10^-7

• 4.126 x 10⁷

(4.1 x 10⁸) + (1.8 x 10⁴)

• 7.38 x 10¹²

• 7.38 x 10³²

• 7.38 x 10⁴

• 7.38 x 10²

(7.381 x 10²) + (8.7 x 10²)

• 16.081 x 10²

• 1.6081 x 10³

• 16.081 x 10⁴

• 1.6081 x 10²