21.

Which of the following represents the ordering, from smallest to largest, of the numbers shown? \(0.665, 0.68, \dfrac{2}{3}, \dfrac{13}{20}\)

(A)

\(\dfrac{2}{3}, 0.665, 0.68, \dfrac{13}{20}\)

(B)

\(\dfrac{13}{20}, 0.665, 0.68, \dfrac{2}{3}\)

(C)

\(\dfrac{13}{20}, 0.665, \dfrac{2}{3}, 0.68\)

(D)

\(\dfrac{2}{3}, 0.665, \dfrac{13}{20}, 0.68\)