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vitfil [10]
2 years ago
14

Is this correct ,please check

Mathematics
1 answer:
Semmy [17]2 years ago
7 0

Choices B, C, and D are correct. Nice work.

Further explanation:

  • Choice A is ruled out because we aren't multiplying 5 by 6
  • Choice B is correct because 4*5 is the same as 5*4. Similarly, 3(2+6) is the same as 3(6+2). We can add in any order, and multiply in any order. See the commutative property for more details.
  • Choice C is correct for similar reasoning as choice B
  • The distributive property allows us to go from 3(2+6) to 3*2+3*6, showing that choice D is the same as B and C.
  • You can confirm each answer by using a calculator. The result of simplifying the original expression is 44. You should find that expressions B, C and D also result in 44. Only choice A is the one that doesn't fit in since it results in 56.
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