Chapter 40, Problem 16A

Note: For Exercises 13 through 62 that follow, round the answers to 3 decimal places wherever necessary.
In Exercises 13 through 16, add the following signed numbers as indicated.
16. a. 16 + (-4) + (-11)
b. -53.07 + (-6.37) + 19.82
c. 30.88 + (-0.95) + 1.32
d. -12.77 + (-9) + (-7.61) +0.48
e. 253 + 16.09 + (-54.05) + 21.37