The first step to evaluate the expression is (a) Multiply 4 by 5.
The expression is given as:
6 + 8 ÷ 4 + (4 × 5)²
The expression involves a bracket.
So, we start by solving the expression in the bracket
i.e. multiply 5 by 5
So, we have:
6 + 8 ÷ 4 + 5²
Hence, the first step to evaluate the expression is (a) Multiply 4 by 5.
Read more about expressions at:
https://brainly.com/question/723406
#SPJ1