SOLUTION: log2 16 = 8.2 (exp -x), then x= a) -7 b) -4/3 c) -1 d) -2/3 e) 1 exponent is -x in the 8.2 problem

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Question 4185: log2 16 = 8.2 (exp -x), then x=

a) -7 b) -4/3 c) -1 d) -2/3 e) 1
exponent is -x in the 8.2 problem

Answer by longjonsilver(2297)   (Show Source): You can put this solution on YOUR website!
assuming that 8.2 means 8 multiplied by 2, then the answer is 1--> E.

Since, log to the base 2 of 16 is 4, ie 2^4 = 16. We then have:







by looking at these 2 halves of the equation, you can see that x=1.
jon.

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