Respuesta :

If you estimated 3.7 to 4 and 5.1 to 5 the answer would be 20. You would have 20 and now you can think is 20 a reasonable answer for 3.7x5.1. The answer for 3.7x5.1=18.87, so the answer is yes.

Hope that helped:)
3.7 estimates 4. 5.1 estimate to 5  so 4*5 =20.

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