4 years ago

How can you use mental math to determine that 2800 divide equals 400

1 answer:

4 0

2800 ÷ 400

Cross out 2 zeros from both numbers, then you have 28 ÷ 4 = 7

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olga_2 [115]

Answer: 7 times 4

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butalik [34]

1 mile in 12 minutes
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