Question

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Answer 1

$\frac{5^9*10^9}{2^9 * 25^9}*\frac{5*2^{32} - 8*2^{29}}{4^{16}} = \frac{5^9*2^9*5^9}{2^9*5^9*5^9} * \frac{45*2^{29} - 8*2^{29}}{2^{16}*2^{16}} = \frac{2^5*2^{29}}{2^{32}} = 2^2 = 4$