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malfutka [58]
3 years ago
13

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

Mathematics
2 answers:
earnstyle [38]3 years ago
7 0

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.

maxonik [38]3 years ago
4 0

Answer:

130.

Step-by-step explanation:

18 + 4(28(

= 18 + 4 * 28   Multiplication is done before addition so we have:

18 + 112

= 130.

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