Answer:
1.67 g/cm³
Step-by-step explanation:
The density of a substance can be found by using the formula
From the question we have
mass = 15 g
volume = 9 cm³
We have the final answer as
1.67 g/cm³
The object will sink in water since it has a density greater than that of water which is 1 g/cm³
Hope this helps you