Carljustinelismgo Carljustinelismgo Math Answered ACTIVITY 3: What is Missing? Find the value of n orr: 2. P (n. 3) = 60; n = 4. P (n, 3) = 504; n = 6. P(19,r) = 72; r= 8. P,8) = 1680; r = 0. P(6, r) = 120; r =