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Suppose each edge of a cube is 7.8 cm long. Which is the BEST estimate for the volume of the cube?
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1 vote
Suppose each edge of a cube is 7.8 cm long. Which is the BEST estimate for the volume of the cube?

User Athlan
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2 Answers

5 votes
Multiply like this. And it gives you your answer.





7.8•7.8•7.8
User MordicusEtCubitus
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7.4k points
3 votes
estimating would involve just rounding up to 8 for the length.
then V=blh, 8×8×8= 512

(But if you work the problem as originally stated though, 7.8×7.8×7.8= 474.552, and that rounded up is 475).
User Ozan Deniz
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7.9k points
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