Ask Me Help Desk - (2^30-2^29)/2=?

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(2^30-2^29)/2=?

Exponential explosion help needed please

Uh huh...

$\begin{array}{ccl} \frac{2^{30} - 2^{29}}{2}& =& \frac{2^{30}}{2} - \frac{2^{29}}{2} \\ && \\ & = & 2^{29} - 2^{28}\\ &&\\ & = & 2^{28}(2 - 1)\\ &&\\ &= & 2^{28}\end{array}$

If you need to simplify further, use your calculator. :)

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