Posted by ARON on Wednesday, January 18, 2012 at 5:15pm.
divide by 31
x^5 = 4.516... x 10^-87
take 5th root
x = appr5.38 x 10^-18
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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