Answer:
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