4900 was rounded to 2 significant figures.
What is the lower bound?

Acircle has a circumference of 28.36 units what is the diameter of the circle

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0