Powers or Exponents of Numbers
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More Lessons for GMAT Math
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Videos that will help GMAT students review powers or exponents of numbers.
How to understand positive exponents, zero exponent and negative exponents?
When a number k is multiplied by itself n times, it can be expressed as kn, which means the nth power of k.
For example, 23 = 2 × 2 × 2 = 8
When we square a number that is greater than 1, or raise it to a higher power, we get a larger number.
23 = 8
When we square a number between 0 and 1, or raise it to a higher power, we get a smaller number.
Basic exponents
Covers the basic meaning of exponents that are whole numbers and how to evaluate and simplify expressions. Also defines zero exponent.
A Power consists of two parts, Exponent and Base, We are going to learn how to identify the components of a Power and to evaluate it if necessary.
Are you confused about simplifying exponent problems? Are these math problems -32 and (-3)2 the same?
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