Indicate which property is illustrated in Step 1.
Step 1 2 + (1 + 11) + 0 = 2 + (11 + 1) + 0
Step 2 = (2 + 11) + (1 + 0)
Step 3 = (2 + 11) + 1
Step 4 = 13 + 1
A.
commutative property of multiplication
B.
identity property of addition
C.
distributive property
D.
commutative property of addition