Question

the internal edge of cubic tank is 2.5 cm . find its internal volume

Answer 1

Volume = a^3

=(2.5)^3

=15.625cm^3

Answer 2

$given \\ s = 2.5cm \\ \\ solution \\ volume \: of \: cube \: = \: {s}^{3} \\ = {2.5}^{3} \\ = 15.625 {cm}^{3}$
therefore the volume of internal tank is 15.625