Mrs. Jones asked her students to write an equivalent numerical expression to (2^-4 x 3^-3) divided by (2^-3 x 3^-2)? Which of these responses is correct?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

How is working backward similar to solving an equation?