Question

Convert 8.1 bar into a p/q.Class 9

Answer 1

Answer:

81/10

Step-by-step explanation:

Answer 2

here 8.1--------(1)

let 8.1111.......=x

10x=10×x

=81.11111.......-----------(2)

now

subtract (1) from(2)

we will get 72

hence

10x=72+x

10x-x=72

9x=72

x=72/9

x=24/3 (or) x=8/1

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