66666.6 recuring. You can shorten this to however many decimal places you want, i.e to 3 decimal places: 66666.667
23
15
That is the same as asking 15C10 which is 3003. It is 15! divided by (15-10)!(10!) This is 15x14x13x12x11 divided by 5x4x3x2x1 or divided by 120 or 360360=3003
14.2
Negative 10 divided by negative two-thirds = 15/1 or 15
66,666.67
10
0.0411
0.00000015
0.075
3.3333
15
15
0.2885
0.0625
0.1351
0.1333