FX-69 a) 50 c) 90^(1/5)
FX-70. a) 16 b) 16 c) 16
FX-71. a) 5^(2/3) b) 2^(5/4) c) 7^(3/2)
FX-72. 64; square root 16 and then cube the result.
FX-73. a) x = 25 b) x = 25 c) x = 25 d) x = 25
e) All the answers are the same because all the equations are equivalent.
FX-74. a) 16 b) 343 c) 4
FX-75. a) 16 b) 3125 c) 2187
FX-76. a) x = 0.7 b) x = 2/3 c) x = 0.8
FX-77. b) 2^n
FX-78 xy/(x+y)
FX-79. a) .5 b).3 c) .2
FX-80. b) x = 0 c) x = 0 d) x = 1
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| Last updated 2008/09/28 05:12:14 PDT | Hits 178 |
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