1. The fluid in a car battery has a volume of 137 mL and a mass of 149 g.

2. A plastic material weighs 2.76 lblb and has a volume of 3.6 LL.

3. A 4.000-mLmL urine sample from a person suffering from diabetes mellitus has a mass of 4.007 gg.

4. A solid object has a mass of 1.89 lb and a volume of 160 mL

5.A 12.00 gg milk chocolate bar is found to contain 8.000 gg of sugar.

How many milligrams of sugar does the milk chocolate bar contain?

Express your answer in milligrams to four significant figures.

6. What will be the amount of sugar in milligrams if the size of the milk chocolate bar is reduced from 12.00 gg to 5.000 gg ?

Express your answer in milligrams to four significant figures.

7. Given that a 12.00 gg milk chocolate bar contains 8.000 gg of sugar, calculate the percentage of sugar present in 12.00 gg of milk chocolate bar keeping in mind that the answer should have four significant figures (two decimal places).