Question

Express 0.7 in p/q form (there is a bar on 7)

Answer 1

Let x=0.7bar
10*x=10*0.7bar
10x=7.7bar

Minus x from both sides,
10x=7.7bar
-X=0.7bar
9x=7
X=7/9

Answer 2

Answer:

$x =o.777...= \frac{7}{9}$

$(\frac{p}{q} \: form )$

Step-by-step explanation:

Let x = 0.777...---(1)

Multiply equation (1) by 10, we get

=> 10x = 7.777....---(2)

Subtract equation (1) from equation (2) , we get

=> 9x = 7

$x = \frac{7}{9}$

$(\frac{p}{q} \: form )$

Therefore,

$x =o.777...= \frac{7}{9}$