Respuesta :

Use PEMDAS

P= parenthesis

E= exponents

M= multiplication

A= addition

S= subtraction

1). 4 /2+5-3

divide 4 by 2

2) 3+5*8/2

multiply 5 and 8 together

3) 3*2+7

= 6+7

= 13

Answer:

see explanation

Step-by-step explanation:

Use the order of operations acronym PEMDAS to evaluate expressions with mixed operations.

P- parenthesis, E- exponents, M- multiplication, D- division, A- addition and

S- subtraction

1

4 ÷ 2 + 5 - 3 ← divide 4 by 2 first

2

3 + 5 × 8 ÷ 2 ← multiply 5 by 8 first

3

3 × 2 + 7 ← multiplication before addition

= 6 + 7 ← now do addition

= 13