Question

Express 0.3178 in the form of irrational number a/b

Answer 1

Dude your question might be this...
Express 0.3178 (bar on 3178) in the form of p/q...

Here is the answer...

x = 0.317831783178....... (i)
since it has 4 digits repeating... so
10000x = 3178.31783178........ (ii)
Subtract (ii) from (i)
10000x - x = 3178
9999x = 3178
x = 3178/9999