Posted by Lucy on Saturday, March 29, 2008 at 3:48pm.
Write the equation log243(81)=4/5 in exponential form.
My answer is 243^4/5=81.
Evaluate 9^log9(54).
My answer is 6.
Are these correct??
Thanks

Algebra II  Damon, Saturday, March 29, 2008 at 4:15pm
Yes for the first one
9^log 9 of 54
but base^log same base (x) = x
so I get 54 for an answer