Yes. 20 is bigger than 15. 20.5 us 20 and a half.
205 is greater than 21, but that is based on the fact that there are no visible decimal points.
5
No, you can't divide 15 by a number greater than 1 and get an answer greater than 15. All mixed numbers are greater than 1 by definition.
2
Yes, 215 is taller than 205. In numerical terms, 215 is greater than 205 by 10 units. Therefore, if you're comparing heights or values represented by these numbers, 215 is indeed taller.
15 is greater than 7.8
12 is 27 greater than -15
300500
-14 is the least integer greater than -15
15 is most definitely greater than 6.
14 is greater than -15
178 mm = 17.8 cm which is greater than 15 cm