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The nonnegative square root of a number?
The unique nonnegative square root of a nonnegative real number. For example, the principal square root of 9 is 3, although both -3 and 3 are square roots of 9.
What is nonnegative integer?
An integer is a whole number. Nonnegative mean not negative. A nonnegative integer is a whole number that is not a negative number. For example, 0, 1, 2, 3, 4, 5,....
What are the first four whole numbers?
The term whole number does not have a consistent definition...If in referencing "whole numbers" you are referring to "nonnegative integers" then the first whole numbers are 0, 1, 2, 3.If in referencing "whole numbers" you are referring to "positive integers" then the first whole numbers are 1, 2, 3, 4.If in referencing "whole numbers" you are referring to "all integers" then there are no "first" whole numbers, since they would include (..., -3, -2, -1, 0, 1, 2, 3, ...) and extend to infinity in both directions.
What is 0123?
The first four consecutive nonnegative integers. One-hundred and twenty-three with a leading zero.
Zero is an element of a set of natural numbers?
That depends on whom you're talking to. The term "natural number" refers either to a member of the set of positive integers 1, 2, 3, ... or to the set of nonnegative integers 0, 1, 2, 3, ... . Regrettably, there seems to be no general agreement about whether to include 0 in the set of natural numbers.
