Please help important

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

A(t)=728(1+0.04)^t how much money did aditya originally invest

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?