Question

Evaluate

2
a
4
+
5
b
3
when
a
=
4
and
b
=
−
5

Answer 1

-113

Explanation:

2a^4+5b^3 --> 2(4)^4+5(-5)^3= -113

not 100% on this since its hard to understand the original equation (I'm assuming that the numbers after the variables are exponents)