Question

1 3*2 4*5*6 10*9*8*7 11*12*13*14*15

Answer 1

Answer:

1 3*2 4*5*6 10*9*8*7 11*12*13*13*15 = 5.66658893e12

Answer 2

Answer:

1307674368000 = 15!.

Explanation:

15