SOLUTION: log2 (1/16) how do you solve this??

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Question 211318: log2 (1/16)
how do you solve this??
Found 2 solutions by stanbon, ankor@dixie-net.com:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
log2 (1/16)
how do you solve this??
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log(base 2) (1/16)
= log(2)1 - log(2)16
---
= 0 - 4
= -4
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Cheers,
Stan H.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
log2 (1/16) = y
Write the exponent equiv of logs
2%5Ey+=+%281%2F16%29
We know that 2^-1 = 1/2 and that 1/16 = 1/2 * 1/2 * 1/2 * 1/2
therefore
y = -4
2%5E%28-4%29+=+%281%2F16%29