Root3.61 is rational or irrational number??
3.61 = 361 / 100 = 19² / 10²
✓3.61 = ✓19² / ✓10² = 19 / 10 = 1.9
A rational number is a number that can be expressed as the quotient or fraction of two integers ± p / q
a numerator p and a non-zero denominator q.
19 and 10 are integers so:
✓3.61= 19 / 10
Is rational number.