document.write( "Question 33068This question is from textbook Saxon Algebra 1
\n" ); document.write( ": I don't understand how to figure out least common multiples when there are exponents involved?\r
\n" ); document.write( "\n" ); document.write( "ex. 4c^3, c^2, and 3c^4\r
\n" ); document.write( "\n" ); document.write( "OK, so it's 4*c*c*c, c*c, and 3*c*c*c*c.....
\n" ); document.write( "so, 4*3*c*c*c*c\r
\n" ); document.write( "\n" ); document.write( "The answer is 12c^4, but WHY do we use the greatest exponent....c^3 doesn't go into c^4.....??????\r
\n" ); document.write( "\n" ); document.write( "Rebecca
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Algebra.Com's Answer #19517 by longjonsilver(2297)\"\" \"About 
You can put this solution on YOUR website!
\"4c%5E3\" and \"c%5E2\" and \"3c%5E4\". What is common to all three terms? The answer is \"c%5E2\"... this is your lowest common multiple\r
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\n" ); document.write( "\n" ); document.write( "Written out fully, we have:
\n" ); document.write( "4*c*c*c
\n" ); document.write( "c*c
\n" ); document.write( "3*c*c*c*c\r
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\n" ); document.write( "\n" ); document.write( "Looking at these, what appears in all of them is just c*c --> \"c%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "I have no idea how you got \"12c%5E4\". This is NOT correct.
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\n" ); document.write( "\n" ); document.write( "OK, i just posted the reply then understood the question :-)
\n" ); document.write( "What you want is the lowest terms that all these 3 terms go into. OK....Then the answer IS \"12c%5E4\" :-)\r
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\n" ); document.write( "\n" ); document.write( "Explanation:
\n" ); document.write( "\"12c%5E4\" is 3*4*c*c*c*c\r
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\n" ); document.write( "\n" ); document.write( "Now, \"4c%5E3\" can be seen in 3*4*c*c*c*c as shown by (4*c*c*c)(3*c)
\n" ); document.write( "\"c%5E2\" can also be seen in 3*4*c*c*c*c as shown by (c*c)(3*4*c*c)
\n" ); document.write( "\"3c%5E4\" can also be seen in 3*4*c*c*c*c as shown by (3*c*c*c*c)(4)\r
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\n" ); document.write( "\n" ); document.write( "So to answer your confusion at the end... \"c%5E3\" does go into \"c%5E4\"...c times.\r
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\n" ); document.write( "\n" ); document.write( "This is IDENTICAL to asking does \"2%5E3\" go into \"2%5E4\"? Well this is asking does 8 go into 16. Answer is YES....2 times. \r
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\n" ); document.write( "\n" ); document.write( "This is because we have 2*2*2 and 2*2*2*2. \"2%5E3\" goes into \"2%5E4\" as (2*2*2)*(2)\r
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\n" ); document.write( "\n" ); document.write( "Hope this helps?\r
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\n" ); document.write( "\n" ); document.write( "jon.
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