Hello from MrBillDoesMath!
Answer:
76.5 ( the last choice)
Discussion:
Sum =
1/2 ( 1! + 2! + 3! +4! +5!) =
1/2( 1 + 2+ +6 + 24 + 120) =
1/2(153) =
76.5
which is the last choice
Thank you,
MrB
