In a valid distribution, all of the probabilities must add up to what number?
A. -1
B. 0
C. 3.12
D. 1

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).