# Math

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if i have:
31x^5=1.4x10^-85

what would x equal?

• Math -

divide by 31
x^5 = 4.516... x 10^-87
take 5th root
x = appr5.38 x 10^-18

• Math -

I bet you mean

31 x^5 = 1.4 * 10^-85
if so then
x^5 = .04520 * 10^-85
x = 4520 * 10^-90
x = 5.38 * 10^-18

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