Conversion facts that may be needed

2.54cm = 1.00 inch 5280 ft = 1.000 mile 0.62 miles = 1.0km 454 g = 1.00 lbs

1. Perform the following functions

(6.45x10-3 )( 5.33x109 )=

2. (8.55x10-5 )(9.56x104 )(8.55x109 )(8.55x10-7 ) =

(3.50x1022 ) (7.46x10-16 )

3. Convert 1.5x109 micrometers to centimeters.

4. Convert 3.64 miles to km.

5. Convert 5.67x109 mg to ounces

6. A traveling 30.0 miles per hour will be going ______meters per second.

7. A drop of water contains approximately 1.7x1021 molecules. If the water is evaporating at a rate of one million molecules per second, how many years will it take for the water to completely disappear?

8. One querk contains 2.0 warts, 3.0 querks make 1.0 zags, 5.0 zags equal 6.0 nerfs, and 4.0 nerfs are equal to 5.0 wigs. How many warts are in 13.0 wigs?

9. Light travels at a speed of 186,000 mile per second. A light year is the distance that light will travel in one year. How many miles away is it to the nearest star which is 4.50 light years away?

10. How many cm3 will 34.5 g of magnesium occupy. (use table A1 to obtain the density of Mg)

11. How many pounds would 1.5 cubic meters of silver weigh? (See table A1)

12. An object has a mass of 2.5 Kg and a volume of 4.3Kl. What is the density of the object in g/ml?

13. If concrete cost $50.00 per yd3, how much would an area that is 5.0 meter long, 10.0 meters wide and 10.0 centimeters thick cost to pour?