Question

Find the cube of: 2.5

Answer 1

2.5

= (2.5)³

= ${\displaystyle {\left(\frac{25}{10}\right)}^3}$

= ${\displaystyle \frac{25\times 25\times 25}{10\times 10\times 10}}$

= ${\displaystyle \frac{15625}{1000}}$

= 15.625