110
the simplest way to multiply any number by 10 is to add a zero to the end
Because 10+10=twenty and 11+11= twenty too
10 and 11
-21
11/10 = 11 ÷ 10 = 1.1
11/10
1.1
10/11 = 10 ÷ 11 = 0.909091
10 out of 11
11
10 plus 1 is 11.
0.9091
x = (1/10)/(10/11) (* means multiply) > x = ((11*1)/(11*10))/((10*10)/(10*11)) > x = (11/110)/(100/110) > x = 11/100 > x = 0.11