Using the rule Un = (-134n5 + 2335n4 - 15280n3 + 46295n2 - 64356n + 37020)/60 for n = 1, 2, 3, ... the next number is -531.
54, 72, 90
72 = 49 82 = 64 Its closer to 49 so say 7
49/72 is in its simplest form.
72 = 49
Using the rule Un = (-134n5 + 2335n4 - 15280n3 + 46295n2 - 64356n + 37020)/60 for n = 1, 2, 3, ... the next number is -531.
54, 72, 90
72 = 49 82 = 64 Its closer to 49 so say 7
It is 50 and 20 = 70.
54 is 75% of 72.
72 + 49 = 121
54/72 = 3/4
38.88 is 72% of 54.
It is: 72+54 = 126
49 x 72 = 3528
Median is: (54+72)/2 = 63.
-126