Answer:
Step-by-step explanation:
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.