Posted by **jh** on Sunday, February 14, 2010 at 12:44am.

Evaluate the expression without using a calculator:

log4(2)= ____?

Use a calculator to find the logarithm accurate to four decimal places:

log4(27)= ____?

- Math -
**Reiny**, Sunday, February 14, 2010 at 8:10am
log4(2)= ____?

What exponent must 4 be raised to, to obtain 2

that is,

4^? = 2

Isn't √4 = 2 ? or

4^(1/2) = 2

for the second,

log_{4} 27

= log 27/log 4 , now use your calculator.

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