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October 6th, 2010, 04:01 PM  #1 
Member Joined: Sep 2010 Posts: 35 Thanks: 0  Exponent Question
The picture below would be 3 to the power of 3 right? Edit: Or would it be 3 to the power of 2? 
October 6th, 2010, 04:09 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Exponent Question
The 3×3 notation means 3 by 3 or 3 times 3 = 3². The exponent two can be thought of as the number of spatial dimensions in this case.

October 6th, 2010, 05:28 PM  #3 
Member Joined: Sep 2010 Posts: 35 Thanks: 0  Re: Exponent Question
I have another question. How would you write 1000 as a power of 10?

October 6th, 2010, 05:34 PM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Exponent Question
1000 = 10³ 1000 written in base r is r³. Just count the zeros to get the exponent. 
October 6th, 2010, 07:30 PM  #5 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Exponent Question
1000 = 10·10·10 10³ = 10·10·10 In this case 10 is the base and 3 is the exponent. The exponent tells you how many times the base is a factor. 3² = 3·3 = 9 2^(10) = 2·2·2·2·2·2·2·2·2·2 = 1024 x·x·x·x = x^4 x²·x² = x^4 (a^b)·(a^c) = a^(b + c) 4^(5) = (2²)^5 = 2^10 (a^b)^c = a^(bc) 
October 6th, 2010, 07:31 PM  #6  
Senior Member Joined: Apr 2007 Posts: 2,140 Thanks: 0  Re: Exponent Question Quote:
 
October 6th, 2010, 07:38 PM  #7 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Exponent Question I noticed the deletion so I edited my post. 
October 7th, 2010, 08:43 AM  #8 
Member Joined: Sep 2010 Posts: 35 Thanks: 0  Re: Exponent Question
Thx Guys 
October 7th, 2010, 06:41 PM  #9 
Global Moderator Joined: Dec 2006 Posts: 21,026 Thanks: 2257 
Mathematical skills should start to develop before any school, let alone high school.


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