Solve for σ
\sigma =\frac{3188e^{30}}{37}\approx 9.207697558 \cdot 10^{14}
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37\sigma =3188e^{30}
Multiply 15 and 2 to get 30.
\frac{37\sigma }{37}=\frac{3188e^{30}}{37}
Divide both sides by 37.
\sigma =\frac{3188e^{30}}{37}
Dividing by 37 undoes the multiplication by 37.
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