Determine the density of an object that has a mass of 149.8 g and displaces 12 .1 ml of water when placed in a graduated cylinder.

the answer to your question is

(149.8 g) / (12.1 mL) = 12.4 g/mL 

The density of object is 12.38 g/mL

Explanation:

To calculate density of a substance, we use the equation:

We are given:

Mass of object = 149.8 g

Volume of object = 12.1 mL

Putting values in above equation, we get:

Hence, the density of object is 12.38 g/mL

a corroding iron, if that's one of your choices

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)