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what is 0 in math. Numbers Bigger Than a Trillion. An empty or null set is one which has no items in it.
So 2 to the zero power is going to be equal to 1. Now what about zero factorial this is interesting. If 0 0 0 frac000 0 0 0 the function f x 0 x fxfrac0x f x x 0 becomes continuous at x 0.
Okay let us imagine we can divide by zero and see what happens.
As a digit 0 is used as a placeholder in place value systems. In ordinary arithmetic the expression has no meaning as there is no number which when multiplied by 0 gives a assuming a 0 and so division by zero is undefined. Some believe it should be defined as 1 while others think it is 0 and some believe it is undefined. It fulfills a central role in mathematics as the additive identity of the integers real numbers and many other algebraic structures.