Question

715,000 ___ 7.15 × 10 to the 5th power?
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Answer 1

715,000 = 7.15 x 10 to the 5th power becuase you are moving the decimal place to the right 5 spaces making 715,000 = 715,000.

Answer 2

You now want the decimal point right after the 7.
Count how many places the decimal point needs to move to the left: