Give the Exact Answer to Each of the Following, Taking $\frac { 179 } { 196 } + \frac { 0 } { 343 } =$

Essay

Give the exact answer to each of the following, taking advantage of properties. Then tell which property or properties enabled you to answer them so easily.
A) If 213 × 142 = 41,401, then 142 × 213 = _____.
B) $\frac { 179 } { 196 } + \frac { 0 } { 343 } =$ _____
C) 84.96 × 100% = _____
D) (548 + ^-967) + ^-548 = _____