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Mathematics 20 Online
OpenStudy (anonymous):

help math

OpenStudy (anonymous):

http://prntscr.com/6ornuo

zepdrix (zepdrix):

Hmm weird answer choices :3

OpenStudy (anonymous):

xD true

zepdrix (zepdrix):

So we have a surface area of:\[\Large\rm A=375.2~m^2\]I'm going to write it like this:\[\Large\rm A=375.2~(\color{orangered}{m})^2\]We would like to replace meters with centimeters. How many centimeters in a meter? :)

OpenStudy (anonymous):

A?

zepdrix (zepdrix):

100 centimeters in a meter, yes? So we can do this,\[\Large\rm A=375.2~(\color{orangered}{m})^2\]\[\Large\rm A=375.2~(\color{orangered}{100cm})^2\]Replacing meter with 100 centimeters. When we square the 100 we get,\[\Large\rm A=375.2\times100~cm^2\] Although our surface area hasn't ACTUALLY grown in size, the number representing the area has gotten a lot larger since we're in centimers, yes? :)

OpenStudy (anonymous):

So,A is correct

OpenStudy (anonymous):

@zepdrix

zepdrix (zepdrix):

A? 0_o no...

OpenStudy (anonymous):

not a or c

OpenStudy (anonymous):

B

zepdrix (zepdrix):

Read my last post, it should get you to the correct answer -_- `Although our surface area hasn't grown in size`, `the number representing the area has increased since we're in centimers.`

OpenStudy (anonymous):

d

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