Question

Simplify each of the following and express the result as a rational number in standard form:

\[\frac{- 5}{9} \times \frac{72}{- 25}\]

Answer 1

\[\frac{- 5}{9} \times \frac{72}{- 25} = \frac{- 5}{9} \times \frac{8 \times 9}{- 5 \times 5} = \frac{8}{5}\]