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For each of the following, identify the whole-number property being illustrated.
(a) 2(3 + 4) = 2(4 + 3)
(b) 5 + 7 = 7 + 5
(c) 1 • 14 = 14 = 14 • 1
(d) 5(9 + 3) = 5 • 9 + 5 • 3
(e) 2 + (3 + 2) = (2 + 3) + 2
(f) 5(3 • 4) = (5 • 3)4

are e, and f associative, and a distributive?
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