What is 0.9 as mixed number

9/10

Step-by-step explanation:

0.9 means that 9.0*10^-1

Due the fact that the dot was shifted to the right and not to the left

9.0*10^-1

Which can also be written as

9.0/10=9/10

The two values don't have a common number that can divide them so we will leave the answer as 9/10

Therefore the mixed number of 0.9 is 9/10