Use four-digit rounding arithmetic to perform the following calculations. Compute the absolute error and relative error with

Question:

Use four-digit rounding arithmetic to perform the following calculations. Compute the absolute error and relative error with the exact value determined to at least five digits.
a. 133 + 0.921
b. 133 ˆ’ 0.499
c. (121 ˆ’ 0.327) ˆ’ 119
d. (121 ˆ’ 119) ˆ’ 0.327
e.