Question

25. Show that 0.001728 is a cube root of a rational number
26. Find the sides of a cubical box whose volume is 64 cm​

Answer 1

0.001728 = 1728/1000000

⇒ 27/15625= 3^3/25^3

Volume of a cube=a^3

64=a^3

a=4

Side of cubical box is 4cm.

Answer 2

I hope it will help you a lot