Question 62376
log1/2 16 =x 
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Since 1/2 is the base the corresponding exponential equation is:
(1/2)^x=16

1/2^x=16
Invert both sides to get:
2^x=1/16
Rewrite using base 2 to get:
2^x=2^-4
x=-4
Cheers,
Stan H.