Seems to me there are an infinite number of sets that would include 1.68 .
Some of them include . . .
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There is not just one set of numbers to which 6 belongs.. It is an even number and a composite number. It also belongs to each of the following:Natural (N), Counting N0, Integer Z.
Is 3.18 a whole number
It belongs to any set that has -17 amongst its members.Given that this is schoolwork, the answer teacher probably wants is: the set of integers.It also belongs to the set of rational numbers, the set of negative integers, the set of real numbers, the set of complex numbers, the set {43.2, 98, -17, pi} and an infinite number of others.It belongs to the set of complex numbers in spite of having no 'imaginary' part. Real numbers are just special cases of complex number in which the imaginary part happens to be zero. Rational numbers are special cases of real numbers. Integers are special cases of rational numbers.
No, -168 is not a whole number. Whole numbers are non-negative integers, which means they are positive numbers including zero. Since -168 is a negative number, it does not fall within the definition of a whole number.
To find 16.6 percent of a number, multiply the number by 0.166. In this instance, 0.166 x 168 = 27.888. Therefore, 16.6 percent of 168 is equal to 27.888.