SOLUTION: exact value of log4 120 − log4 48 − log4 40

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Question 498524: exact value of log4 120 − log4 48 − log4 40
Answer by lwsshak3(11628) About Me  (Show Source):
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exact value of log4 120 − log4 48 − log4 40
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log4 120 − log4 48 − log4 40
log4 120 -(log 4 48 + log4 40)
place under a single log
log4[120/48*40]
log4[1/16]=log4[1/4^2]=4^-2
Definition: base(4) raised to log of number(x)=number(4^-2)
4^x=4^-2
x=-2