Properties+of+logarithms++Set+3

Solve the logarithm: log9(1)

You mean evaluate. There is no equation, so you are not finding a solution set (Ms. Sweeney)

log9(1)=0

Solve these logarithms: Log5(25) Log7(1/49) Log5(5^9)

log5(25)=2 log7(1/49)=-7 log5(5^9)=9 log5(1953125)=9

More logarithm problems!!! log(100) log5(1/625) log731(731^894)

log(100)=2 log5(1/625)=-4 log731(731^894)=894