Please also explain why.

Pretend that you have a computer with base 10 with 4 digits in the significand )10. This computer rounds to zero (chopping) after each arithmetic operation. For example, the sum of 4.75 128.4 133.15 becomes 133.1. 7. 1.0 point Calculate the sum Grandom order): 128.4 2.165 32.15 0.3227 a 163.0 b) 162.9 c) 162.5 d) 163.0377 e) 162.8 f 161.7 Answer: 8. (1.0 point a) 163.0 b) 162.9