Question

What is bigger 4.5 or 8.10?

Answer 1

8.10 is greater than 4.5

Answer 2

of course 8.10 is bigger as it comes after 4.5 in the numberline.

when 8.10 is rounded off it is 8

and when 4.5 is rounder off it is 4

so 8.10 is bigger