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http://faculty.montgomerycollege.edu/scarlso5/files/powers.htm

Perfect Squares. 1. 4. 9. 16 ... Perfect Cubes. 1. 8. 27. 64. 125. 216. 343. 512. 729 . 1000. 13. 23. 33. 43. 53. 63. 73. 83. 93. 103. Perfect Fourth Powers. 1. 16. 81.

https://en.wikipedia.org/wiki/Fourth_power

In arithmetic and algebra, the fourth power of a number n is the result of multiplying four ... See also. Square (algebra) · Cube (algebra) · Exponentiation · Fifth power (algebra) · Sixth power · Seventh power · Perfect power ...

http://www.clausentech.com/lchs/dclausen/algebra2/useful_programs/Squares_Etc.htm

Table of Squares, Cubes, Perfect Fourths, and Perfect Fifths. x, x2, x3, x4, x5. 1, 1, 1, 1, 1. 2, 4, 8, 16, 32. 3, 9, 27, 81, 243. 4, 16, 64, 256, 1,024. 5, 25, 125, 625 ...

What you wrote looks like "4 times the square root of 16". I was able to figure out that these were 4th roots only because you happened to mention them. root%284  ...

http://mathforum.org/library/drmath/view/56072.html

Date: 01/25/2002 at 19:05:54 From: James A. Hopton Subject: Perfect square, cube, fourth power My wife is an 8th Grade Math Teacher, and in the Bonus ...

Jul 21, 2014 ... Learn how to factor polynomials using the difference of two squares for polynomials raised to higher powers. A polynomial is an expression of ...

Aug 18, 2011 ... Factor Difference of Fourth Powers. wallaceopenmath. Loading... Unsubscribe from wallaceopenmath? Cancel Unsubscribe. Working.