2
-If you mean what can .2 be divided by to get a whole number, then .1 works (.2/.1 = 2) -If you mean what can be divided by .2 to get a whole number, then 1 works (1/.2 = 5)
Number 2 is usually the right full backs number.
twice a number means a number times 2
It means the number 2
2
If you mean the smallest prime number, then it is 2.
A few is the number 3 usually. A couple is the number 2.
2 Atomic Number of Helium
Probably "number of significant figures = 2".
The number "2" means that the bottle is a Class 2 recylable item.
I think you mean reciprocal. For example, the reciprocal of 2/3 is 3/2.