Posted by **Jesse** on Monday, November 15, 2010 at 6:30pm.

Evaluate 4log(4)8

Possible answers are:

4

0

8

1

Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

- Algebra-Another question -
**bobpursley**, Monday, November 15, 2010 at 6:44pm
4log4 8= 2log4 16=2*2=4

- Algebra-Another question -
**Jesse**, Monday, November 15, 2010 at 6:52pm
We just started this today but how did you get 2log4 16 = 2 *2 = 4

Thank you

- Algebra-Another question -
**bobpursley**, Monday, November 15, 2010 at 7:04pm
16= 4^2 so logbase4 of 16=2

- Algebra-Another question -
**Jesse**, Monday, November 15, 2010 at 7:11pm
Thank you

- Algebra-Another question -
**Reiny**, Monday, November 15, 2010 at 7:13pm
I read that as

4 log_{4}8

= log_{4}8^4

= log_{4}4096

= 6

since 4^6 = 4096

or

8 can be written as 4^(3/2)

then 4log_{4}8

= 4log_{4}4^(3/2)

= 4(3/2)

= 6

- Algebra-Reiny please look at this-Another question -
**Jesse**, Monday, November 15, 2010 at 7:26pm
It was written as 4 and then the log(4)8 was raised so how do I do it-I'm really confused now

The choices were

4

0

8

1

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