Divide the numerator and denominator by 9 : -3•7 / 1 = <em>-21</em>.
This method only works in math.
Step-by-step explanation:
"product" means multiplication. the same as "times".
so,
135 = r×9
Answer:
Answer: Density = 0.5 g/cm³
Explanation: Density is the ratio of mass per unit volume or D = m/V
D = m/V
= 6 g / 12 cm³
= 0.5 g / cm³
