Question

The radius of hydrogen atom is 0.53x10-10 m. convert it in cm, nm.
A steel rod has a diameter of 2.52 cm. Express its diameter in millimetres and metre.​

Answer 1

Answer:

0.53x10^-8cm  and    0.053 nm

25.2mm  and  0.0252m

Explanation:

As 1cm= 10^-2m  and  1nm= 10^-9m

0.53x10^-8cm  and    0.053 nm

diameter of rod= 2.52 cm

25.2mm  and  0.0252m