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January 28, 2015

January 28, 2015

Posted by **krysta** on Thursday, March 1, 2012 at 3:33pm.

how do you solve?

- math -
**Steve**, Thursday, March 1, 2012 at 4:25pmjust plug in the numbers:

A = πr^2

= π*(3.45*10^10)^2

= 3.1416*11.9025*10^20

= 37.39*10^20

= 3.739*10^21

we're not solving anything, just evaluating an expression

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