Question

What is the decimal equivalent of 9 11 ?

Answer 1

You mean 9/11?

Dividing 9 by 11 will give you the correct answer. It's that simple. 
9/11 = 0.8181 recurring

so your answer is 0.8181

Answer 2

Okay, So We Have A Fraction Of 9/11. So, We Have To Remember That A Fraction Bar Is The Same As Division. So, Lets Do The Division. Pull Out That Handy Dandy Calculator Or Brain Of Yours And Do 9/11. So, 9/11 = 0.818181 Repeating Decimal. So, The Decimal Equivalent To 9/11 Is 0.82 Rounded. I Hope This Helps!