(a) We have to find out the sum for the following:

0.07 + 8.5 + 30.08

Therefore, sum is 38.587

(b) We have to find out the sum for the following:

15 + 0.632 + 13.8

Therefore, sum is 29.432

(c) We have to find out the sum for the following:

27.076 + 0.55 + 0.004

Therefore, sum is 27.630

(d) We have to find out the sum for the following:

25.65 + 9.005 + 3.7

Therefore, sum is 38.355

(e) We have to find out the sum for the following:

0.75 + 10.425 + 2

Therefore, sum is 13.175

(f) We have to find out the sum for the following:

280.69 + 25.2 + 38

Therefore, sum is 343.89