A mustard seed has a mass of about 0.002 gram. A glass jar contains 4.3602 times 10 to the fourth power. What is the reasonable estimate of the mass of the mustard of the mustard seeds in the jar?

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .