In one year there were approximately 3,849,378 written in expanded form. which shows 3,849,378 in expanded form

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

What is the number 321,000,000 in scientific notation? also what is the number? ?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?