the square root of 0.4bar.(bar only on 4).

Dear Student,

Let, x = 0.4¯ = 0.4444..... i10x = 4.4¯ =4.4444.....iiSubtracting i from ii, we get10x - x = 4.4¯ - 0.4¯9x = 4x = 49Taking square root, we getx=49=23
Thus, Square root of 0.4¯=23   or    0.6¯.
Regards,
 

  • 0
0.4 bar can be written as 4/9.
root 0.4bar=root (4/9)
=2/3
=0.6 bar (bar only for 6)
  • -1
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