document.write( "Question 463067: What do Laws of Exponent means?
\n" ); document.write( "Explain and give some examples.
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #317330 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
these are the laws that i know of.\r
\n" ); document.write( "\n" ); document.write( "law number 1\r
\n" ); document.write( "\n" ); document.write( "x^0 = 1\r
\n" ); document.write( "\n" ); document.write( "this means that any number raised to the power of 0 is equal to 1.\r
\n" ); document.write( "\n" ); document.write( "law number 2\r
\n" ); document.write( "\n" ); document.write( "x^1 = x\r
\n" ); document.write( "\n" ); document.write( "this means that any number raised to the power of 1 is equal to the number.\r
\n" ); document.write( "\n" ); document.write( "law number 3\r
\n" ); document.write( "\n" ); document.write( "x^2 = x*x (x is multiplied by x 1 time)
\n" ); document.write( "x^3 = x*x*x (x is multiplied by x 2 times)
\n" ); document.write( "x^4 = x*x*x*x (x is multiplied by x 3 times)\r
\n" ); document.write( "\n" ); document.write( "in general x^n means that x is multiplied by x (n-1) times.\r
\n" ); document.write( "\n" ); document.write( "law number 4\r
\n" ); document.write( "\n" ); document.write( "a^b * a^c = a^(b+c)\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "2^2 + 2^3 = 2^(2+3) = 2^5 = 32.\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "2^2 = 4 and 2^3 = 8 and 4*8 = 32.\r
\n" ); document.write( "\n" ); document.write( "law number 5\r
\n" ); document.write( "\n" ); document.write( "a^b / a^c = a^(b-c)\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "2^3 / 2^2 = 2^(3-2) = 2^1 = 2\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "2^3 = 8 and 2^2 = 4 and 8/4 = 2\r
\n" ); document.write( "\n" ); document.write( "law number 6\r
\n" ); document.write( "\n" ); document.write( "(a^b)^c = a^(b*c)\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "(2^2)^3 = 2^6 = 64\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "2^2 = 4 and 4^3 = 64\r
\n" ); document.write( "\n" ); document.write( "law number 7\r
\n" ); document.write( "\n" ); document.write( "a^(-b) = 1/(a^b)\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "2^(-3) = 1/(2^3) = 1/8\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "use your calculator to derive 2^(-3) and you will get an answer of .125\r
\n" ); document.write( "\n" ); document.write( "use your calculator to derive 1/(2^3) and you will also get an answer of .125.\r
\n" ); document.write( "\n" ); document.write( "law number 8\r
\n" ); document.write( "\n" ); document.write( "a^(1/b) = the bth root of a\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "64^(1/6) = \"root%286%2C64%29\" = 2\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "use your calculator to derive 64^(1/6) and you will get an answer of 2.\r
\n" ); document.write( "\n" ); document.write( "use your calculator to derive \"root%286%2C64%29\" and you will also get an answer of 2.\r
\n" ); document.write( "\n" ); document.write( "law number 9\r
\n" ); document.write( "\n" ); document.write( "(a*b)^c = a^b * a^c\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "(2*5)^3 = 2^3 * 5^3 = 8 * 125 = 1000\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "2*5 = 10 and 10^3 = 1000\r
\n" ); document.write( "\n" ); document.write( "law number 10\r
\n" ); document.write( "\n" ); document.write( "(a/b)^c = a^c / b^c\r
\n" ); document.write( "\n" ); document.write( "example:\r
\n" ); document.write( "\n" ); document.write( "(10/5)^3 = 10^3 / 5^3 = 1000 / 125 = 8\r
\n" ); document.write( "\n" ); document.write( "proof:\r
\n" ); document.write( "\n" ); document.write( "(10/5)^3 = 2^3 = 8\r
\n" ); document.write( "\n" ); document.write( "these are all i can remember off the top of my head.\r
\n" ); document.write( "\n" ); document.write( "they should cover all or most of the exponent laws you will encounter.\r
\n" ); document.write( "\n" ); document.write( "search the web for tutorials on \"laws of exponents\" and you will discover a wealth of material that you can reference.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );