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OpenStudy (anonymous):
A postage stamp has an area of about? a. 5cm2 b. 55 dm c. 1m2 d.5mm
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OpenStudy (anonymous):
5cm^2
OpenStudy (anonymous):
Cutting down your option by noticing the unit measurement is key. Area should be lengthy dimension squared. so you can immediately cut option d and b. And C is too big to be a stamp size.
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