Question

class9 maths number system exercise 1.2 example 7,8,9​

Answer 1

Answer:

hey mate here is your answer

Step-by-step explanation:

let 1.27bar=x. ---1

multiply both side by 100

we get

127=100x

127÷100=x

127/100=x

hope it will help you

Answer 2

Answer:

x= 1.272727......

multiple both side 100

100x= 100× 1.272727.....

100x= 127.2727.....

100x = 126+ 1.2727

100x = 126+ x from eq...(1)

100x -x = 126

99x = 126

x= 126/99

I hope it help you

thanks.........