Sheet # 49/Beach
Name: _____________________ Date_____________
Express all answers in scientific notations.
1) Roughly, there are 200,000 km of sandy beaches in the world. How many meters is this?
2) The average width of a beach is 15 meters, and the average depth of sand is 2 meters. What is the total volume of sand in cubic meters in all of the world's beaches?
3) If there are 3,000 grains of sand in one cubic cm, how many grains of sand are there on all the beaches of the world?