Question

how much is 1*1*1*1*1*1*1*1*1*1*2*4*5*6*7*8​

Answer 1

Answer:

1*1*1*1*1*1*1*1*1*1=1

1x2=2

2x4=8

8x5=40

40x6=240

240x7=  1680

1680x8=13440