Question

Express each of the following in form p/q 0.40777777...

Answer 1

Answer:the answer is 4/10

Step-by-step explanation:

let x = 0.407777..

multiply by 10 on both sides we get.

10x = 4.0777....

10x = 3.6 + 4.0777 (subtract orginial one from after mulitplied by 10 one we get 3.6)

10x = 3.6 + x

10x-x = 3.6

9x = 3.6

x= 3.6/9

x = 0.4 = 4/10