21.78×10^-6 in standard form.. Created by Enforrti. mathematics-us

Answer2.178 x 10^-7Step-by-step explanation:You can only have one number to the left of the decimal. 21.78 x 10^-6 has 2 numbers to the left of the decimal. To make it standard form move the decimal left one, and add that value to the -6, in this case that would add a -1. That makes it 2.178 x 10^-7.

21.78×10^-6 in standard form

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21.78×10^-6 in standard form.

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2.178 x 10^-7
Step-by-step explanation:
You can only have one number to the left of the decimal. 21.78 x 10^-6 has 2 numbers to the left of the decimal. To make it standard form move the decimal left one, and add that value to the -6, in this case that would add a -1. That makes it 2.178 x 10^-7.
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