SOLUTION: How to I write this in standard form? I came up with 3.89 repeating ^-7 however standard form shouldn't have exponents ? 3.9*10^-7

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Question 952201: How to I write this in standard form? I came up with 3.89 repeating ^-7
however standard form shouldn't have exponents ?

3.9*10^-7
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
3.9 * 10^(-7) = 0.00000039