Difference between revisions of "Multiplication"

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(2 * 3 = 6)
(→‎Symbol: section needs rewriting - it causes more confusion than it explains anything)
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:For example <big><math>3\times 2 </math></big> (spoken as "three times two") is the sum of 3 + 3 = 6.
 
:For example <big><math>3\times 2 </math></big> (spoken as "three times two") is the sum of 3 + 3 = 6.
  
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==Symbol==
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Several conventions are used to indicate multiplication. 
 
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*For simple numbers, the symbol (<big><math>\times</math></big>) used looks much like the letter "X", as in the examples above.
 
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*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 &#149; B = B &#149; A.
 
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*Alternatively a period may be used to denote multiplication
 
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*Also, in [[algebra]]ic use, quantities are simply juxtaposed to indicate that they are to be multiplied:
 
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: Y = 3aX + 4bZ
 
  
 
==See also==
 
==See also==

Revision as of 12:08, September 3, 2008

In its most elementary form multiplication is repeated addition of whole numbers or integers.

For example, Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 3\times 2 = 2 + 2 + 2 = 6}

The result of a multiplication is the product. The numbers which are multiplied together are called factors.

Multiplication is a commutative operation in that A Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \times} B = B Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \times} A.

For example Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 3\times 2 } (spoken as "three times two") is the sum of 3 + 3 = 6.


See also