( $P^{21}$ $Q^{-15}$ $r^{-3}$) $\frac{1}{5}$
You asked:
Evaluate the expression: \({P}^{21} \cdot {Q}^{-15} \cdot {r}^{-3} \cdot \frac{1}{5}\)
MathBot Answer:
\[{P}^{21} \cdot {Q}^{-15} \cdot {r}^{-3} \cdot \frac{1}{5} = \frac{P^{21}}{5 Q^{15} r^{3}}\]