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Write the following in Scientific Notation: 120,500,000,000,000,000,000

User GoldenLee
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1 Answer

7 votes

Answer:

1 .205 * 10^20

Explanation:

120,500,000,000,000,000,000

To change to scientific notation, move the decimal to the left until there is only 1 number to the left of the decimal

1 .20500000000000000000

We moved the decimal 20 places to the left so the exponent on the 10 is 20.

1 .20500000000000000000 * 10^20

We can drop the extra zero's at the end ( after the decimal).

1 .205 * 10^20

User Thewreck
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