This article will discuss working with sets. A set is a well-defined collection of distinct objects. The objects of a set are called elements. A set is well-defined, if it can be easily understood, whether or not, a given object, is an element of that set. Some sets do not have any elements. These sets … Read more
The following is a listing of real numbers. Natural 1, 2, 3, 4, … Whole 0, 1, 2, 3, 4, … Integers … -4, -3, -2, -1, 0, 1, 2, 3, 4, … Rational Any number that can be written in the form of p/q, where p and q are integers and q ≠ 0. … Read more
List the sum of all numbers between 7,777 and 70,000, where the numbers are divisible by 7. Identification of the problem The crux of this problem is to break the larger numbers down into smaller sets, or groups, so that we can try and identify some type of pattern to work with. In order to … Read more