Problems to be solved:
1. An aluminum foil is found to be 8.0 * 10 to the power of negative three thick. what is the thickness in micrometers.
2. the distance between carbon atoms in a diamond is 154 pm. convert the distance to millimeters.
3. what is the mass in grams of 1.00 gal of water. the density of the water is 1.00 g/mL.
4. a certain printed page has an average of 25 words per square inch of paper. the average length of the words is 5.3 letters. what is the average number of letters per square centimeter of paper?
5. in a certain part of the country there is an average of 710 people per square mile and 0.72 telephones per persons. what is the average number of telephones in area of 5.0 km squared?
hehe..
just wanna check my answers if im correct..
im the one in our house ryt now.. so i hav no teacher..

thanks in advance!