Question

6. Use associative property to solve
A. 18 + 19 + 20​

Answer 1

HERE IS YOUR ANSWER

57

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PLEASE

Answer 2

Step-by-step explanation:

Associative property of addition states that

If a,b,c are three reals/number

then a+(b+c)=(a+b)+c

Thus, 18+(19+20)=(18+19)+20=57

I hope,You have understand