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What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

(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

Solve the system of equations y= 3/2 - 1, -x+ y =-3