Is 3.4 bar is a rational number. If no then justify. If yes then write it in rational form.
NOTE: Bar is only on the top of 4 and not 3.
NOTE: Bar is only on the top of 4 and not 3.
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Yes, 3.4 (bar on 4) is a rational number.
Reason -
Let, x = 3.4 (bar on 4) = 3.44444444....
So, 10x = 34.444444444....
Now,
10x - x = 34.44444444... - 3.444444444....
=> 9x = 31
=> x = 31/9, which is the required rational number.
Thank you for your question.
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very simple question
⏩ we have to convert or express this in P/Q form which is rational number
⏩ see the number in your question is 3 . 4 ( bar on 4 ) bar means it's non -terminating repeating
⏩ Now see the question carefully it's a pure form so that's why it becomes easy for u
♦ steps for solving this are following
♣ remove bar for number and taken as equation 1
♣ see the bar has how many number in your question bar has 4 (on the bar ) one number (add 10 both side )taken as 10 x = 34.44444...... equation 2
♣ Now subtract equation 2-1
♣ which gives u x = 31/9
therefore it is in the form of P/q it is a rational number
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