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What is 521,000,000 expressed in scientific notation? A. 5.21x 10^8 B. 5.21x10^9 C. 0.521x10^-9 D. 0.521x10^9

1 Answer

3 votes

Answer:

A.
5.21*10^(8)

Explanation:

Multiplying by
10^(n) moves the decimal point n places to the right.

Doing so 8 times for 5.21 gives 521,000,000.

User Frederic
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