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marta [7]
3 years ago
8

Patti is using mental math to evaluate the expression (70 + 12.8 + 30) + 6.1. She recognizes that the expression will be easier

to simplify if she can combine 70 and 30 before she works with the other numbers. How do the properties of operations allow Patti to take that approach?
Mathematics
2 answers:
Deffense [45]3 years ago
6 0

Answer:

D. She can use the commutative property to rewrite the expression as (70 + 30 + 12.8) + 6.1

Step-by-step explanation:

Scorpion4ik [409]3 years ago
5 0

Answer:54

Step-by-step explanation:

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