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

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▸ ▸ ▸ » (2^30-2^29)/2=?

mgentile Posts: 1, Reputation: 1

New Member

#1

Nov 1, 2010, 05:13 PM

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

Exponential explosion help needed please

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Unknown008 Posts: 8,076, Reputation: 723

Uber Member

#2

Nov 1, 2010, 11:33 PM

Uh huh...

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

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

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