# What is the answer for question 3. b) http://postimg.org/image/scirn1jtt/

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Apply the exponential rule of logarithms: `logm^n=nlogm`

`log_a5a^4=4log_a5a`

Next apply the multiplication rule of logarithms: `logmn=logm+logn`

`4log_a5a=4log_a5+4log_aa`

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