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     Exponents Reference Sheet

xa = (x)(x)(x)....to a factors.

x a x b = x (a + b)

x a / x b = x (a - b)

(x/y) a = xa / ya

(xy) a = x a y a

(x a ) b = x (ab)

x (1/b) = bth root of x

x (a/b) = (bth root of x) a

x (-a) = 1 / x a

x (0) = 1
  __
\/ x = x 1/2
    __
n\/ x = x 1/n

2 3 = (2)(2)(2) = 8

(2 3)(2 4) = 2 3+4 = 2 7 = 128

2 7 / 2 3 = 2 7-3 = 2 4 = 16

(3/4) 2 = 32 / 42 = 9/16

(2y) 3 = 2 3 y 3 = 8y 3

(2 3 ) 2 = 2 3*2 = 2 6 = 64

8 (1/3) = 3rd root of 8 = 2

8 (2/3) = (3rd root of 8) 2 = 4

3 (-2) = 1 / 3 2 = 1/9

5 (0) = 1
    __
2\/ 9 = 9 1/2 = 3
    __
3\/ 8 = 8 1/3 = 2

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