logarithm ?

0 ⤊

write the equation (1/3)^-5 = 243 in logarithm form

2007-03-28 03:42:41 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

a^X = Y
logaY = X

therefore (1/3)^-5 = 243 >>>>>a^X = Y
log(1/3) 243 = -5 (a is the base of log)

2007-03-28 04:28:26 · answer #1 · answered by BrInGiToN 2 · 0⤊ 0⤋

(1/3)^-5 = 243
You can't because the above is an arithmetic expression and not an equation. It has no variable.

You could say log base 3 243 = 5

2007-03-28 10:55:45 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

-5(log 1/3) = log 243

2007-03-28 10:51:24 · answer #3 · answered by tinal22 2 · 0⤊ 0⤋