What Does “Zero Squared” Mean?

Because zero times any real integer equals zero, zero squared equals zero. Simply multiplying a number by itself, or raising it to the exponent of two, is squaring it. Zero squared, for example, can be expressed as 0*0 or 02.

Exponents make huge chains of multiplication of a single integer easier to understand. Small numbers are written on top of a basic number. This translates to the base number being multiplied by itself as many times as the exponent’s size.

For instance, 53 equals 555, which equals 125. When a number has a large exponent, writing it as an exponent instead of expanding it saves time and space.

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Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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