A grain of sand weighs about 1 x 10 g.
Researchers at the University of Hawaii
estimate there are 7.5 x 108 grains of
sand on all the beaches of Earth. How
much do all of these grains of sand
weigh?
O A. 7.5 x 10 g
OB. 8.5 x 10g
O c. 7.5 X 102 g
O D. 8.5 X 102 g

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?