It is 7.
7
2
7
21. 63 = 32 x 7 84 = 22 x 3 x 7 hcf = 3 x 7 = 21
21% is a fraction between 0 and 1. It cannot be converted to a whole number.
A whole number is a number that has no fractions or decimal places attached to it. 21 is a whole number. 3.75 is not.
It is: 21
Because 21 is the largest number that divides evenly into both of those numbers with no remainder.
2
7
20.663 to nearest whole number is 21
21. 63 = 32 x 7 84 = 22 x 3 x 7 hcf = 3 x 7 = 21
1 and 7.
3
You just divide it by 21 and if there is no remainder then it went in evenly.
21 over 4 does not equate to a whole number.
2.1 is a mixed number in decimal form and there is no sensible way to represent it as a whole number. The whole part of it is 2.
There is no whole number that has that value. The nearest whole number is zero.