Question

step by step plz guys​

Answer 1

Answer:

Step-by-step explanation:

Let x = 15.712 [ 12 bar ]

x = 15.712121212.............

multiply with 10 both sides ,

10x = 157.1212121212...........(1)....

again,

multiply with 1000 both sides ,

1000x = 15712.1212121212........(2).....

subtract equation (2)... - (1)....equation

1000x - 10x = 15712.121212.... - 157.121212....

990x = ( 15712 - 157) = 15555

x = 15555/990

hence, 15555/990 in the form of P/Q of 15.712[ 12 bar ]

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Answer 2

let 15.7121212...=x.......(1)

multiply by 1000

1000x=15712.1212....(2)

now (2)-(1)

999x=15696.40.....

x=15696.40/999