# Given #log_b 2= 0.3562#, #log_b 3=0.5646#, and #log_b 5=0.8271#, how do you evaluate #log_b15#?

##### 1 Answer

May 13, 2016

#### Answer:

#### Explanation:

To calculate

First we have to write

Now we can use the formula above to write the logarythm as a sum of 2 given values.