Question

how many rational numbers in the world​

Answer 1

Answer:

There are infinitely many rational numbers between any two rational numbers.

Suppose a and b are two rational numbers.

Their difference is d = b-a.

For example, every number

a+ (d/10^n)

for n from 1 to infinity is a rational number.

Between 3 and 4

3.1, 3.01,3.001,3.0001,…

are infinitely many rational numbers.

Step-by-step explanation:

Answer 2

Answer:

we have infinite rational numbers

Step-by-step explanation:

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