Answer:
explained
Explanation:
1) chopping
preccision t= 4
[tex]x= d_1d_2d_3...........d_td_{t+1}........m[/tex]
so ignore all the digits d_t>4 after decimal
example 12.264589234 is chopped to 12.2645
2)Rounding
-Round to nearest and when tie's round to nearest even digit in the required position
-Round to nearest, when ties round away from zero.
-round up 0.68 →0.7
-round down 0.14→ 0.1
-round towards zero.