Angla907 Angla907

11-06-2014
Mathematics

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If n = 8 and 16 · 2^m = 4^(n – 8), then m = ?
F. –4
G. –2
H. 0
J. 1
K. 8

Respuesta :

11-06-2014

[tex]n = 8 , \\ \\ 16 \cdot 2^m = 4 ^{n - 8} \\ \\ 16 \cdot 2^m = 4 ^{8-8}\\ \\ 2^4 \cdot 2^m =(2^2 )^{0} \\ \\2^{4+m}=2^0\\ \\4+m=0 \\ \\m=-4 \\ \\Answer : \ F. \ \ - 4[/tex]

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