Respuesta :

Answer:

28

Step-by-step explanation:

4(9+7-3^)

Answer:

28

Step-by-step explanation:

x(y + z - 3^2)

Let x=4  y=9 and z = 7

4(9 + 7 - 3^2)

Parentheses first

Exponents in the parentheses

4(9 + 7 - 9)

Add the terms in the parentheses

4(7)

Multiply

28