Question

the number 0.4 inp/q from ​

Answer 1

Solution :

It is 0.4 bar ,

Let x = 0.444....----( 1 )

Multiply ( 1 ) with 10, we get

10x = 4.444......------( 2 )

Subtract ( 1 ) from (2 ) ,

9x = 4

=> x = 4/9

Therefore ,

x = 0.4444.... = 4/9

Option ( A ) is correct.

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