For the Following, (I) Use a Calculator to Add; and (Ii)

Multiple Choice

For the following, (i) use a calculator to add; and (ii) round the numbers to the nearest whole number and add to obtain an estimate of the true sum. $454.3$ $59.48$ $\begin{array} { r } +95.962 \\\hline\end{array}$

A) (i) 608.632; (ii) 630
B) (i) 599.642; (ii) 599
C) (i) 609.742; (ii) 609
D) (i) 599.642; (ii) 609
E) (i) 609.742; (ii) 599