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Mathematics
OpenStudy (anonymous):

Estimate the answer by clustering. 725 + 676 + 712 + 729

OpenStudy (anonymous):

Can u show how do this one plz just need to understand thats all

OpenStudy (anonymous):

does anyone know what this question is asking?

OpenStudy (anonymous):

they are all pretty close to 700 so a good guess is 4*700=2800

OpenStudy (asadkarim7):

yeah same as andras

OpenStudy (anonymous):

thx adras and polpak

OpenStudy (asadkarim7):

round it off to nearest hundred

OpenStudy (anonymous):

and asad thx your a big help.

OpenStudy (anonymous):

I'm not sure, but I'd guess that you can estimate by saying that they are all close to 725 except one (which is off by about 50) \[725 + 676 + 712 + 729 \approx 725*4 - 50 = 2850\] Actual answer is 2842

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