The sequence represents the number of bats for the first few generations
5, 15, 45, ...
What is the explicit formula for the number of bats in generation n

Is a positive integer raised to a negative power always positive

With both problems. a.s.a.p directions on photo ^

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.