Answered

I have to estimate the product of 0.67 x 623 using compatible numbers..


Possible answers:

About 420

About 280

About 42

About 36


I tried it and I didn't do very well, I don't really feel like doing it myself so an answer would be appreciated, thanks.

Verified Answer :

623 is close to 650 so you round that up to 650 and 0.67 is rounded to 0.65
650 x 0.65 = 422.5
Round 422.5 = 420

Your welcome :)

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