Question

For any two whole numbers a and b:
a + b = b + a (Addition is commutative)
a × b = b × a (Multiplication is commutative)
In which step in the calculations shown below is the commutative property being used:
490 × (11 - 8 ÷ 2) ×
1
10
= 490 × (11 - 4) ×
1
10
(Step 1)
= 490 × 7 ×
1
10
(Step 2)
= 490 ×
1
10
× 7 (Step 3)
= 49 × 7 = 343 (Step 4)
A
Step 1
B
Step 2
C
Step 3
D
Step 4

Answer 1

Answer:

sorry I don't know what is the answer

Answer 2

Answer:

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