Question

what we should multiply with first 10 digit number so that it's value will be 1​

Answer 1

Answer:

Multiply the number with the reciprocal of the number.

Step-by-step explanation:

Let the number be 'x'

x * 1/x

'x' gets cancelled out with the only remaining number 1

(In other words the number gets divided by itself, eg : 10 / 10 = 1