Which equations illustrate the associative property of addition? Choose exactly two answers that are correct.

A. (11 + 2.2) + (-5) = 11 + [2.2 + (-5) ]

B. - 3 • (5 + 8.5) = - 3 • 5 + (-3) • 8.5

C. + 1.8 = 1.8 +

D. - 7 + [4 + (-2.1 • 6) ] = (-7 + 4) + (-2.1 • 6)

Question

Mathematics

Clark Blevins

20 February, 19:52

Which equations illustrate the associative property of addition? Choose exactly two answers that are correct.

A. (11 + 2.2) + (-5) = 11 + [2.2 + (-5) ]

B. - 3 • (5 + 8.5) = - 3 • 5 + (-3) • 8.5

C. + 1.8 = 1.8 +

D. - 7 + [4 + (-2.1 • 6) ] = (-7 + 4) + (-2.1 • 6)

+1

Answers (1)

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Dalton Cross · Answer 1

Solutions

Associative Property is a rule that refers to grouping. The rule is " a + (b + c) = (a + b) + c ".

The correct answers are (A) and (D)

(A) = (11 + 2.2) + (-5) = 11 + [2.2 + (-5) ]

(D) = - 7 + [4 + (-2.1 • 6) ] = (-7 + 4) + (-2.1 • 6)

Which equations illustrate the associative property of addition? Choose exactly two answers that are correct.A. (11 + 2.2) + (-5) = 11 + [2.2 + (-5) ]B. - 3 • (5 + 8.5) = - 3 • 5 + (-3) • 8.5C. + 1.8 = 1.8 +D. - 7 + [4 + (-2.1 • 6) ] = (-7 + 4) + (-2.1 • 6)

Which equations illustrate the associative property of addition? Choose exactly two answers that are correct.

A. (11 + 2.2) + (-5) = 11 + [2.2 + (-5) ]

B. - 3 • (5 + 8.5) = - 3 • 5 + (-3) • 8.5

C. + 1.8 = 1.8 +

D. - 7 + [4 + (-2.1 • 6) ] = (-7 + 4) + (-2.1 • 6)