What is  15.95 in expanded form

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

How do you write 600 as a product of its prime factors (index! )