14. Write the properties used in the following.
a. (7 x 9) x 5 = 7 * (9 x 5)
b. 125 + 0 = 0 + 125 = 125
c. 175 + 32 = 32 + 175
d. 78 x 102 = 78 x (100 + 2)
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a commutative property
b closure and commutative properties
c closure and commutative properties
d distributive property of multiplication over addition
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