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October 6th, 2010, 04:01 PM   #1
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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?
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 3x3 Grid.png (992 Bytes, 147 views)

 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
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Re: Exponent Question

Quote:
 Originally Posted by MarkFL If I recall correctly, the OP is in the first or second year of high school and is just beginning to develop math skills. I have tutored many adults in college who had trouble differentiating between exponents and factors.
Okay. I deleted my post, since I noticed that OP edited his first post and I misunderstood 1000 and 10 thing.

 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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