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For x small, $($log$(1+$x$))/$x approximately equla $1.$ However, typing $($log$(1+3$e$-16))/(3$e$-16)$ in MATLAB returns $0\mathrm{.}7401,$ an answer that has significant numerical error. The error goes away if we instead type $($log$(1+3$e$-16))/((1+3$e$-16)-1))$ which indeed returns $1\mathrm{.}0000.$ This is an example of

Group of answer choices

mathematical error.

coding mistake.

significant round$-$off error.