Question

Use properties of rational numbers to multiply the following. -45 x (-85)

Answer 1

Multiplying -45 and -85
$\frac{ - 45}{1} \times \frac{ - 85}{1} = \frac{ - 45 \times ( - 85)}{1 \times 1} = \frac{3825}{1}$
So 3825 is the final answer.