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1) which property of addition is used in the following ? (4 + 8) + 5 = 4 + (8 + 5)
a. commutative property
b. distributive property
c. identity property
d. associative property
2) which property of addition does 5 + 0 = 5 illustrate ?
a. distributive property
b. commutative property
c. zero property
identity property
3) which equation shows the commutative property of multiplication ?
a. 4x3-5x3 = (4 - 5) x 6
b. 9 x 2 = 2 x 9
c. 6 x 3 = 6 + 6 + 6
d. 7x1 = 7
4) simplify this expression : 4(y + z)
a. 4y + z
b. 4yz
(c. 4z + y
d. 4y + 4z
5) which is an example of associative property of addition ?
a. 4 + 7 = 7 + 4
b (7 + 3) + 6 = 7 + (3 + 6).
c. 2 + (-2) = 0
d. 9 + 0 = 9
6) which operation will not change the value of any nonzero number?
a) adding one
b. multiplying by zero
c. dividing by zero
d. multiplying by one