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

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> 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      Log On


   

Question 4192: 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) About Me  (Show Source):
You can put this solution on YOUR website!
i always enjoy cheery questions.

s=16t^2

32000=16t^2

t^2=2000

t=sqrt(2000)
t = 44.7seconds


jon