50. \( \frac{5}{\sqrt{3}} \) kasrinin maxracini irrasionallıqdan azad edin.

Find the reciprocals of the numbers below. The reciprocal of 2 is \( \square \). The reciprocal of \( \frac{9}{10} \) is \( \square \).

Find the reciprocals of the numbers below. The reciprocal of \( \frac{7}{11} \) is \( \square \). The reciprocal of 4 is \( \square \).

Shade a region whose area is \( \frac{2}{3} \times \frac{4}{9} \). Then use the figure to compute \( \frac{2}{3} \times \frac{4}{9} \).

Rewrite the fraction in the sentence below as a percentage. The 20 overseas investors own \( \frac{11}{20} \) of the business. Percent notation: \( \square \% \)

What is the first common multiple of 6 and \( 8 ? \)