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62.8 x 10a = 628,000, when a =

5.15 x 10b = 51.5, when b =
3.72 x 10c = 372, when c =
9.842 x 10d = 9,842, when d =

User Martlark
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1 Answer

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Answer:a=10000

Explanation:

User Yzalavin
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