How many groups of 10 are in 60?

The equation respenting the left table is

Is a positive integer raised to a negative power always positive

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.