798/8×41 rounded to one significant figure

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Having a hard time understanding this question (see attachment).