Respuesta :
Order of Operations rule, "PEMDAS"
Parentheses first, exponents next, multiplication/division next, and addition/subtraction last...
In this case, parentheses first...
4^2/(5-3) becomes
4^2/2 exponents next
16/2 division next
8
Parentheses first, exponents next, multiplication/division next, and addition/subtraction last...
In this case, parentheses first...
4^2/(5-3) becomes
4^2/2 exponents next
16/2 division next
8