Question

0.4×10-2 is not equal to
(a) 0.004
(b) 0.04×10-3
(c) 0.04×10-1
(d) 4×10-3
Prove mathematically.​

Answer 1

Answer:

b option is the correct answer

it is 4*10^-3

but in b option it is 4*10^-5