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Please see the attachment. For the sentence part, the choices are associative property of addition/multiplication, communitive property of addition/multiplication, & distributive property.

Please see the attachment For the sentence part the choices are associative property of additionmultiplication communitive property of additionmultiplication am class=

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MrRoyal

The expression was rewritten using the commutative property of addition

  • (7 + 1) + 9 equals 8 + 9 which equals 17
  • 7 + (1 + 9) equals 7 + 10 which equals 17

How to complete the sentences?

The expressions are given as

(7 + 1) + 9

7 + (1 + 9)

The commutative property of addition states that

a + b = b + a

This means that the expression was rewritten using the commutative property of addition

Also, we have

  • (7 + 1) + 9 equals 8 + 9 which equals 17
  • 7 + (1 + 9) equals 7 + 10 which equals 17

Read more about commutative property at

https://brainly.com/question/2475734

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