Xiao Ming wants to make a cube carton (with cover) with an edge length of 0.9 meters. At least how much cardboard should he use? What's the volume of the carton?

Xiao Ming wants to make a cube carton (with cover) with an edge length of 0.9 meters. At least how much cardboard should he use? What's the volume of the carton?


Surface area = 6 * 0.9 * 0.9 = 4.86 M2
Volume = 0.9 * 0.9 * 0.9 = 0.729 M3
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The volume of a cube carton is 8 times that of a cube carton whose edge length is 50cm


50*50*50*8=1000000
1000000=100*100*100
So this cube is 100 cm long

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