Question

3*10^8/400*10^-9 how to solve it step by step​

Answer 1

3 × 10^8 / 400 × 10^-9

(3 / 400) × 10^(8-(-9))

(3 / 400) × 10^17

3 × 10^17 / 400

3 × 10^15 / 4

0.75 × 10^15 ( Standard Form)

OR

750000000000000 (Digit Form [not to be written like this in exam])