SOLUTION: Perform the indicated opeations. Simplify: -9 to the -2power
Algebra
->
Expressions-with-variables
-> SOLUTION: Perform the indicated opeations. Simplify: -9 to the -2power
Log On
Algebra: Expressions involving variables, substitution
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Expressions-with-variables
Question 140668
:
Perform the indicated opeations.
Simplify:
-9 to the -2power
Answer by
stanbon(75887)
(
Show Source
):
You can
put this solution on YOUR website!
(-9)^(-2) = 81^(-1) = 1/81
OR
-9^(-2) = -[81^-1] = -1/81
Comment: The answer depends on whether you
mean - 9^-2 or wheter you mean (-9)^-2
==============================
Cheers,
Stan H.