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NNADVOKAT [17]
3 years ago
5

Sue wants to use mental math to solve 7 times 53. What is an expression that she can use?

Mathematics
2 answers:
Yuri [45]3 years ago
6 0
Multiplication....................... <span />
VARVARA [1.3K]3 years ago
4 0
53 = (10 x 5) + 3

7 x 53 = (7 x 5 x 10) + (7 x 3)

7 x 5 x 10 = 35 x 10 = 350
7 x 3 = 21

350 + 21 = 371
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---

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