How do you simplify #3^-2#?

Question

1492 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-02-21T09:27:15

#color(blue)(1/9)#

Since from the Law of Exponents (Negative Exponents)

#a^-n = 1/a^n#

Solving..

#3^-2 = 1/3^2#

#3^-2 = 1/9#

or we can use the expanded form,

#3^-2 = (1/3)/3#

#3^2 = 1/3(1/3)#

#= 1/9#

:)