Answer :
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).
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).