SOLUTION: can some one please help me evaluate logarithms i am having a tough time please show work so i can try to understand how to do them on my own thanks, Evaluate the expression.

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: can some one please help me evaluate logarithms i am having a tough time please show work so i can try to understand how to do them on my own thanks, Evaluate the expression.       Log On


   

Question 418727: can some one please help me evaluate logarithms i am having a tough time please show work so i can try to understand how to do them on my own thanks,
Evaluate the expression.
a. log4 1/16

b. log8 sqrt8

c. log5 0.04
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the expression.
a.
log%284%2C1%2F16%29
log%284%2C1%2F4%5E2%29
log%284%2C4%5E%28-2%29%29
+-2+
.
b.
log%288%2Csqrt%288%29%29
log%288%2C8%5E%281%2F2%29%29
+1%2F2+
.
c.
log%285%2C0.04%29
log%285%2C4%2F100%29
log%285%2C1%2F25%29
log%285%2C1%2F5%5E2%29
log%285%2C5%5E%28-2%29%29
+-2+