Job Outlook. Excellent. Respiratory therapists provide care and treatment for patients suffering from breathing and cardiopulmonary difficulties. They may also provide emergency medical care for patients who have experienced asphyxiation, heart attacks, or shock.
0 is a number alone or not. if you put 0 by itself its both a number and a digit.
Every finite series of digits is the expansion of a rational number. Since you agree that pi is irrational, it can have no last term, zero or not. Now, let's consider your argument that the difference between the infinityeth digit and zero is infinitely small. To speak correctly, we must speak in terms of limits.