Sales of tablet computers at ted​ glickman's electronics store in​ washington,
d.c., over the past 10 weeks are shown in the table​ below: week 1 2 3 4 5 6 7 8 9 10 demand 19 23 28 38 25 29 37 20 26 30 ​a) the forecast for weeks 2 through 10 using exponential smoothing with alpha ​= 0.60 and a week 1 initial forecast of 19.0 are ​(round your responses to two decimal​ places):