Identify the finite and infinite sets and find the cardinal numbers of the finite sets $.$
$D = {. . . . . . . . - 3, - 2, - 1, 0}$

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Solution

The given set is $D = {. . . . . . . . - 3, - 2, - 1, 0}$
In the given set there are integers less than and equal to zero $0$
i.e., in this set there are infinite number of elements
Hence $,$ the given set is an infinite set $.$

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