Respuesta :

Answer:

First 15+4 which equal 19 and then multiply by 3 which equal 57

Step-by-step explanation:

saya

Answer:

(15+4)

Step-by-step explanation:

The rule of PEMDAS state the order of which we should solve equations for it to be correct. It stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction.

The expression (15+4)3 has a parenthesis at the beginning, so we can solve this operation first.