Read carefully and solve each word problem, show your solution.

1.) A diamond measures 1.03 g. What is the mass of the diamond in milligram?

2.) Twelve millilitres of alcohol mixed with 4.5 gallons of water. How many millilitres is in the mixture?

3.) Danayah has a rope 1 yard long. How many 10 centimeter long pieces can be cut from it?

Please solve this and answer it properly, nonsense answers will be reported.