Question

which of the given decimals can be ex pressed as a rational number 91.777..........​

Answer 1

Let x=91.777...... ...(1)

Since one digit is repeating

Therefore, Multiply both sides by 10

x×10=91.777....×10

10x=917.777..... ...(2)

Subtracting equation 1 from 2, we get

9x=826

x=826/9

HENCE, 91.7777=826 /9 is the answer

Mark it as Brainliest