Question

express the following decimal number into rational number -21. 2137 bar​

Answer 1

Answer:

-212137/10000

Step-by-step explanation:

For removing the point

We have write that zeros after one that much r after points

Answer 2

Step-by-step explanation:

Let

-21.2137(bar) = x

-212137.2137(bar) = 10000x

So,

10000x-x = -212137.2137(bar) -[-21.2137(bar)]

9999x = -212137.2137(bar) + 21.2137(bar)

9999x = -212116

x = -212116

x = -212116 9999