Solve for a_n
a_{n}=\frac{1}{17592186044416}=5.684341886 \cdot 10^{-14}
Assign a_n
a_{n}≔\frac{1}{17592186044416}
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a_{n}=4\times \left(\frac{1}{2}\right)^{46}
Subtract 1 from 47 to get 46.
a_{n}=4\times \frac{1}{70368744177664}
Calculate \frac{1}{2} to the power of 46 and get \frac{1}{70368744177664}.
a_{n}=\frac{1}{17592186044416}
Multiply 4 and \frac{1}{70368744177664} to get \frac{1}{17592186044416}.
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