500
(1/2 x n) x 4
step 1: (n x 1/2) x 4
step 2: n(1/2 x 4)
step 3: n x 2 multiply 1/2 and 4
step 4: 2n
What is step 1:the Commutative property of multiplication
Step 2 the Associative property of multiplication step 4 the commutative property of multiplication?