First look at the numbers. Notice that this is in decimal form. When it's in decimal form, you have to move the decimal to the right until you see a different number other than 0. Therefore, starting with decimal, move it to the right 4 times since a # bigger than 0 is there.
0.000371
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The answer will be 3.71^-4
If it is in decimal form, the power will be a negative