Express the given decimal expression in the form of pq.
(i).0.8¯
Solution:
Expressing in pqform:
Let x=0.8=0.8888.........(1)
⇒10x=8.888.......(2)Equation(1)ismultipliedby10
Subtracting equation (1) from (2):
⇒10x-x=8.888...-0.8888....⇒9x=8⇒x=89
Final answer: Hence, the pq form of the given decimal number is89.
Express each of the following decimals in the form pq :
(i) 0.¯¯¯4 (ii) 0.¯¯¯¯¯¯37