91Ó°ÊÓ

In the following exercise, multiply:$(-\frac{14}{15})\left(\frac{9}{20}\right)$

In the following exercise, multiply:$(-\frac{9}{10})\left(\frac{25}{33}\right)$

In the following exercise, multiply:$(-\frac{63}{84})(-\frac{44}{90})$

In the following exercise, multiply:$(-\frac{33}{60})(-\frac{40}{88})$

In the following exercise, multiply:$4.\frac{5}{11}$

In the following exercise, multiply:$5.\frac{8}{3}$

In the following exercise, multiply:$\frac{3}{7}.21n$

In the following exercises, use the divisibility tests to determine whether each number is divisible by $2,3,5,6$and$10$.
$84$

In the following exercise, multiply:$\frac{5}{6}.30m$

In the following exercise, multiply:$-8\left(\frac{17}{4}\right)$