Scientific Notation Word Problems

2. On average, Mercury is about 57,000,000 km from the sun, whereas Neptune is about  km from the sun. What is the difference between Neptune’s and Mercury’s distances from the sun?

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CCSS.8.EE.A.4

Find the combined mass of Earth and Venus. Earth is approximately 5.9 x 10²⁴ kg and Venus is approximately 4.9 x 10²⁴ kg.

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The approximate total surface area of the Earth is 5.1 x 10⁸ km. Salt water has an approximate surface area of 352,000,000 km and freshwater has an approximate surface area of 9 x 10⁶ km. How much of the Earth’s surface is covered by water, including both salt and freshwater?

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The approximate total surface area of the Earth is 5.1 x 10⁸ km. Salt water has an approximate surface area of 352,000,000 km and freshwater has an approximate surface area of 9 x 10⁶ km. How much of the Earth’s surface is covered by land?

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A computer's hard disk drive holds 8 x 10⁷ bytes of information.  If Jill buys an extra memory stick that holds 3 x 10⁶ bytes of information, how much memory will the computer hold?

• 11 x 10¹³
• 11 x 10⁷
• 8.3 x 10¹³
• 8.3 x 10⁷

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CCSS.6.EE.A.1

CCSS.6.EE.B.7

The Diplodocus dinosaur is believed to have become extinct approximately 1.38x10⁸ years ago.  The Oviraptor is believed to have become extinct approximately 7x10⁷ years ago.  How many years were there between the extinction of these two dinosaur types?

• 6.8 x 10⁸
• 6.8 x 10⁹
• 68 x 10⁸
• 6.8 x 10⁷

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CCSS.8.EE.A.4

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

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CCSS.6.EE.A.1

CCSS.6.NS.B.3