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How do you evaluate $log_2 16$ ?

1 Answer

Jul 9, 2015

Since $16=2^4$ we can rewrite

Explanation:

$=log_2 2^4$

Exponent rule:
$=4*log_2 2$

$log_b b=1$ (for any $b$ ) $->log_2 2=1$
$=4*1=4$

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