Question

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Answer 1

Step-by-step explanation:

Let x=0.99999….

Then, 10x=0.99999….x10

=9.99999…

=9+0.99999….

Since x=0.99999…, we can write:

10x=9+x

⇒10x−x=9

⇒9x=9

⇒x=1

This means 0.99999.,..=1 answer

Answer 2

Answer:

5) let x be = 0.9999...

10x= 9.9999...

10x=9+x

x=1

6) a)64½=8

b) 32⅕=2