Answer:
a) 9.35550
5 digits: 9.35550
4 digits: 9.3555
3 digits: 9.356
2 digits: 9.36
b) 7.57530
5 digits: 7.57530
4 digits: 7.5753
3 digits: 7.575
2 digits: 7.56
Step-by-step explanation:
for rounding if the last digit is less than 5 then the last digit remains same, but if the last digit is 5 or greater than 5 then the last digit is increased by 1 or rounded off to next digit.
