2008-II-17

Ans: C

\begin{array}{cl} 0.049 876 5 \\ = & 0.05 (corr. to 2 d. p.) \\ 0.049 876 5 \\ = & 0.049 9 (corr. to 3 sig. fig.) \\ 0.049 876 5 \\ = & 0.049 9 (corr. to 4 d. p.) \\ 0.049 876 5 \\ = & 0.049 877 (corr. to 5 sig. fig.) \end{array}