SMARTYPANTSDANCE SMARTYPANTSDANCE

03-02-2017
Mathematics

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Help Please
A) estimate 49 of 162.
B) use mental math to calculate 49 of 162

Respuesta :

03-02-2017

You can round 49 to 50 and you can round 162 to 200.

You know that 5 * 2 = 10, so 50 * 200 must be 1000. You just add the zeroes.

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