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October 21, 2014

October 21, 2014

Posted by **Shawn** on Monday, December 1, 2008 at 9:46am.

19.) loga 8/3 is this 1.89?

20.) loga 24 Not sure

21.) loga 25 not sure how to do this

- Algebra help -
**Reiny**, Monday, December 1, 2008 at 9:56ammake use of your main "log rules"

log (8/3) = log 8 - log 3 = 2.079 - 1.099

= 0.98

log 24 = log (3x8) = log 3 + log 8

= ....

log 25 = log 5^2

= 2 log 5

= ...

- Algebra help -
**Shawn**, Monday, December 1, 2008 at 10:12amOkay I got it

log (8/3) = log 8 - log 3 = 2.079 - 1.099

= 0.98

log 24 = log (3x8) = log 3 + log 8

= 3.688

log 25 = log 5^2

= 2 log 5

= 2.138

- Algebra help -
**Reiny**, Monday, December 1, 2008 at 10:13amgreat,

BTW, how would you find 'a' itself?

- Algebra help -

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