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March 3, 2015

March 3, 2015

Posted by **Shreya** on Wednesday, January 23, 2013 at 8:41pm.

evualuat using change of base rule

log(√8)16

^the square root 8 is supposed to be subscript.

the answer i got was 8/3, not sure if that is right

- Pre Calculus 12 -
**Reiny**, Wednesday, January 23, 2013 at 9:49pmYou are correct

This can be done without a calculator

let log_{√8}16 = x

(√8)^x = 16

( (2^3)^(1/2)^x = 2^4

3(1/2)x = 4

3x = 8

x = 8/3

- Pre Calculus 12 -
**Shreya**, Wednesday, January 23, 2013 at 10:07pmThanks very much Reiny :)

- Pre Calculus 12 -
**Reiny**, Wednesday, January 23, 2013 at 10:27pmwelcome

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