Thanks you too buddy :)))))
Yes and no it depends on what the answer is
The cube root 80 = cube root 8 * cube root 10 = 2 cube root 10
as a decimal this is 2*2.1544 = = 4.31 to nearest hundredth
She is incorect because
(a+b)^2 =a^2 +b^2+ 2ab
a + b
____###### If we sqare this will get:
____######
|.a^2|. ab |
|___ |######
# #. #
# ab #. b^2 #
#___ ######