SOLUTION: How do I find log(3)1/81 on a calculator. (3^x=1/81)

Question 333657: How do I find log(3)1/81 on a calculator. (3^x=1/81)
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How do I find log(3)1/81 on a calculator.
(3^x=1/81)
---
3^x = 3^-4
---
x = -4
-------------------
To find the answer with the calculator proceed as follows:
log3(1/81) = [log(1/81)]/[log(3)] = -4
===========================================
Cheers,
Stan H.

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(the last figure is the result of rounding)

Alternatively, (the last figure is the result of rounding)

Either way,
RELATED QUESTIONS
How do you evaluate log base 3(1/81)... (answered by MathLover1)
how do i solve... (answered by jsmallt9)
Log with a base of 3 81=x how do I go about solving... (answered by lwsshak3)
{{{ log (3, (1/81) ) + log (2,... (answered by user_dude2008)
How do you figure out problems like -81^1/4? With a calculator. and also... (answered by rfer)
Simplify... (answered by greenestamps)
how do i solve a log with a base of 3 and exponent of... (answered by stanbon)
(1/3)^x=81 (answered by lwsshak3)
Solve the logarithmic equation x=log3 1/81 I've tried x=3log 1/81... (answered by Cromlix)