9 + 4^2 - (7 - 4^3 + 4)=

Asked by AnneS2 on 18 Aug 01:14

Last updated by anonymous on 20 Aug 06:39

Answered by CherieS on 20 Aug 06:39

PEMDAS=(), exponents, *,/, +, -

=9 + 4^2 - (7 - 4^3 + 4)

=9 + 4^2 - (7 - 64 + 4)

=9 + 4^2 - (-57 + 4)

=9 + 4^2 - (-53)

=9 + 16 - (-53)

=25 - (-53)

=25 +53

=78