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Marysya12 [62]
3 years ago
14

How can you use the properties of operations to evaluate this expression? 18 + 4(28)

Mathematics
2 answers:
nirvana33 [79]3 years ago
6 0

Answer:

Well on of the properties states that unless there are parenthesis, you multiply and divide first then you add and subtract. So, first we multiply 28*4 and that leaves use with 112, now if there is no more multiplication, division, or parentheses, and there's not. We can continue all we do is add 18+112 and we get our answer of 130.

vekshin13 years ago
5 0

Answer: Use the distributive property and expand 28, then distribute the 4 to 20 and the 4 to 8. Then you have 18 + 80 + 32. Use commutative property to reverse the order of 32 and 80 so that 18 and 32 are friendly numbers to add.

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