\"\"\"\"

\

\

The statement is “ \"\"

\

Change the order of statement to simplify the calculation.

\

Commutative property of multiplication: for a,b: \"\".

\

\"\"            (Apply commutative property of multiplication: \"\")\"\"

\

\"\"              (Multiply: \"\")

\

\"\"                  (Multiply: \"\")

\

Commutative property of multiplication is used.                         \"\"

\

Option B is right choice.

\