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The length of each edge of a cube is decreased by 40%.By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.

 Jul 28, 2022
 #1
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The answer is 72%.

 Jul 28, 2022
 #2
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1 - 0.4 ==0.6

 

0.6^3==0.216

 

1  -  0.216 ==78.4% percentage decrease in volume

 Jul 29, 2022

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