Which of the following is a unit of density?

cubic meters
square meters
liters per cubic gram
kilograms per cubic centimeter

The unit of density is:

               Kilograms per cubic centimeter.

We know that the density of a substance is defined as the ratio of the mass of a substance to it's volume.

i.e.

Now, we know that the standard unit of the mass of a substance is: Kilograms(kg)

and the standard unit for a volume is: cubic centimeters(cm³)

Hence, we will get the unit for density as:

            Kilograms per cubic centimeter

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98