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| − | In its most elementary form '''multiplication''' may be defined as repeated addition of whole numbers ([[integers]]). | + | In its most elementary form '''multiplication''' may be defined as repeated [[addition]] of [[whole numbers]] or [[integers]]. |
| | :For example, <big><math>2\times 3 </math></big> (spoken as "two times three") is the sum of 2 + 2 + 2. | | :For example, <big><math>2\times 3 </math></big> (spoken as "two times three") is the sum of 2 + 2 + 2. |
| − | In this example the numbers "2" and "3" are known as the ''factors'' and the result of a multiplication is knwon as the ''product''. | + | In this example the numbers "2" and "3" are known as the ''[[factor]]s'' and the result of a multiplication is known as the ''[[product]]''. |
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| | Multiplication is a [[commutative]] operation in that A <big><math>\times</math></big> B = B <big><math>\times</math></big> A. | | Multiplication is a [[commutative]] operation in that A <big><math>\times</math></big> B = B <big><math>\times</math></big> A. |
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| | Several conventions are used to indicate multiplication. | | Several conventions are used to indicate multiplication. |
| | *For simple numbers, the symbol (<big><math>\times</math></big>) used looks much like the letter "X", as in the examples above. | | *For simple numbers, the symbol (<big><math>\times</math></big>) used looks much like the letter "X", as in the examples above. |
| − | *Since the "X" looks like a letter, and letters are commonly used in algebra to indicate unknowns, or variables, the "dot" is frequently used: A • B = B • A. | + | *Since the "X" looks like a letter, and letters are commonly used in algebra to indicate [[unknown]]s, or [[variable]]s, the "dot" is frequently used: A • B = B • A. |
| | *Alternatively a period may be used to denote multiplication | | *Alternatively a period may be used to denote multiplication |
| | *Also, in [[algebra]]ic use, quantities are simply juxtaposed to indicate that they are to be multiplied: | | *Also, in [[algebra]]ic use, quantities are simply juxtaposed to indicate that they are to be multiplied: |
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| | ==See also== | | ==See also== |
| | *[[Multiplication Property of Equality]] | | *[[Multiplication Property of Equality]] |
| − | *[[Math]] | + | *[[Arithmetic]] |
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| | [[Category:Algebra]] | | [[Category:Algebra]] |