the equation i have is. i'm not sure how to set it up so that i can find the r base of the log. 107 logr————— = 6 64 Use this rule of logarithms to rewrite that equation logBA = C means the same thing as BC = A 107 r6 = ————— 64 Taking positive sixth roots of both sides: ___ 6Ö107 r = ————— 2 Edwin AnlytcPhil@aol.com