Question

if m is a whole number then 2m denotes a multiple of 2

Answer 1

Yes if m is a natural number then 2m denotes a multiple of 2.
For e.g . if m =5 then 2m =10 and it is divisible by 2. it is only applicable to natural numbers ok

Answer 2

Yes.IT is absolutely correct.
For ex,take m as 2,then 2m=4 which is a whole no and divisible by 2


hope it helps