Respuesta :
PEMDAS
parentheses - there is none
Exponent 9
Multiplication 4*5 = 20
Division - there is none
Addition - there is none
Subtraction 20 -9* 2/6
20- 18/6
20-3
17
parentheses - there is none
Exponent 9
Multiplication 4*5 = 20
Division - there is none
Addition - there is none
Subtraction 20 -9* 2/6
20- 18/6
20-3
17