A factory makes cubical storage bins. A small bin has edge 3 cm and a large bin holds 27 times the volume of the small bin. Since volume scales as edge cubed, find the edge of the large bin using cube roots.
Class 8Finding Cube RootsCubes and Roots
A9 cm
B27 cm
C6 cm
D81 cm
Step-by-Step Solution
Large volume = 27×27=729 cubic cm (small volume = 33=27). Edge = 3729=9 cm. (Check: 39=3=327.)
Answer: A) 9 cm
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