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

Multiple Choice

For the following, i) use a calculator to subtract; and (ii) round the numbers to the nearest whole number and subtract to obtain an estimate of the true difference. $9.1379$ $\begin{array}{llcc} \text {\(- 1.21159\) } & \text { } \\\hline\end{array}$

A) (i) 7.92631; (ii) 8
B) (i) 8.92641; (ii) 9
C) (i) 8.12832; (ii) 10
D) (i) 8.92641; (ii) 8
E) (i) 7.92631; (ii) 9