Respuesta :

echoflower250

Answer:

10x4+5

40+5

45

10x(4+5)

10x(9)

90

Step-by-step explanation:

vinnysuh

Answer:

-

Step-by-step explanation:

10 x 4 + 5 means that you multiply first, then add as per PEMDAS

10 x (4 +5) means that you add first, then multiply.