Ms. Chin asked her students to use the properties of multiplication to rewrite the expression (negative 5) (Negative StartFraction 2 over 7 EndFraction) Left-bracket (StartFraction 4 over 11 EndFraction) (negative 9) Right-bracket. The table below shows the properties that each of four students used to rewrite the expression.
Expressions Generated by Students
Student
Properties used to rewrite the expression
Mitul
Commutative property
Stacy
Associative property
Tom
Associative property and then the commutative property
Walt
Commutative property and then the associative property
How many of the students created an expression that was equivalent to the original?
one
two
three
four