Your class is having an election. there are 4 candidates for president, 6 for vice president, 3 for secretary, and 7 for treasurer. how many ways can a president, vice president, secretary, and treasurer be chosen?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Could someone with number 1 and 2

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.