Posted by **Daniel** on Wednesday, August 15, 2012 at 9:48am.

mathematically Evaluate without using tables 2 log base 10 raised 2 power 5 + log base 10 36 - log base10 9 that is, 2log10 5 +log 10 36 - log 10 9

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**Steve**, Wednesday, August 15, 2012 at 1:51pm
The words are confusing, but it appears that you have

2log5 + log36 - log9

= log(25*36/9)

= log100

= 2

Rather than trying to toss in all those a0's, just say at the start that all logs are base 10.

- math -
**i know better than that**, Saturday, August 18, 2012 at 8:56pm
True Steve. I searched. It's confusing to me too.

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