Question

Computer the following some, Thanks !

Answer 1

184233

Explanation:

651∑n=1 88+0.6(n-1)

651∑n=1 88 + 651∑n=1 0.6(n-1)

(651)(88) + 0.6(651∑n=1 (n-1))

57288 + 0.6((651∑n=1 (n))-(651∑n=1 (-1))

57288 + 0.6((651)(652)/2+(651)(-1))

57288 + 0.6(212226-651)

57288 + 0.6(211575)

57288 + 126945

184233