How do you simplify #(- 3b ^ { 2} a ) ^ { 4}#?

2 Answers
hev1
Mar 26, 2018

#(-3b^2a)^4# can be simplified to #81b^8a^4#.

Explanation:

When you apply an exponent to a term inside a bracket, everything inside the bracket gets the exponent applied to it.
#(-3b^2a)^4#
#=(-3)^4b^8a^4#
#=81b^8a^4#

Barney V.
Mar 26, 2018

#81a^4b^8#

Explanation:

#(-3b^2a)^4#

#:.=(-3^4b^(2xx4)a^4)#

#:.=81a^4b^8#

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