contestada

Which expression represents the commutative property?
a. 3 ÷ 9 = 9 ÷ 3
b. 6 + (5 + 4) = (6 + 5) + 4
c. 7 (2 + 8)
d. 15 + 1 = 1 + 15

Respuesta :

CAEDALPE

Answer:

b) and c)

Step-by-step explanation:

a)

3/9 = 9/3

0,33 = 3 NO

b) 6+(5+4) = (6+5)+4

6+9 = 11+4

15 = 15 YES

c) 7(2+8) = ? NO

d) 15 + 1 = 1 + 15

16 = 16 YES