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Leafyisshere
Answered

The human heart beats an average of 37,800,000 times in one year. What value of x will make 3.78 × 10x have the same value as 37,800,000


A5


B−5


C7


D−7

Verified Answer :

HyperDrive

Okay so this is a scientific notation problem.

We need to move the decimal point to a position where the number will be in between 1 and 9.

In order to do this we must move the decimal point 7 places.

So the answer is C, 7.

Please leave a thanks and a rating.

texaschic101

37,800,000 = 3.78 x 10^7

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