Question

Express 0.123 bar in form of p upon q

Answer 1

x=0.123…..(bar 23) (1)

Multiplying both side by 100

100x=1.23….(bar 23)(2)

Multiplying both side by 1000

1000x=123.23……..(3)

Subtract (2) from (3)

1000x-100x=123.23-1.23

990x=122

X=122/990answer