Step-by-step explanation:

solution;

0.9 bar on on 9

No. before decimal + repeating number/ '9' as no. of times of repeating number

= 0+9/9

=9/9 = 1

Verified answer

Answer:

Let x=0.99999⋯ ...(1)

Multiply eq (1) by 10 we get

10x=9.9999⋯ ...(2)

Substract (1) from (2), we get

⇒9x=9

⇒x=

1

1

=1

Here,

p=1 and q=1

Thus,

0.9999⋯=1