SOLUTION: How do I do problems like this? Evaluate -3√64 , if possible. It has multiple choice answers. –4 –8 -64/3 Not a real number The first couple of times I did it I got d

Algebra ->  Radicals -> SOLUTION: How do I do problems like this? Evaluate -3√64 , if possible. It has multiple choice answers. –4 –8 -64/3 Not a real number The first couple of times I did it I got d      Log On


   

Question 82244: How do I do problems like this?
Evaluate -3√64 , if possible.
It has multiple choice answers.
–4
–8
-64/3
Not a real number
The first couple of times I did it I got different answers. Please help me?


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate -3√64
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If your problem means -3 times sqrt64 you get:
=-3*8
=-24
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If your problem has a small 3 tucked near the radical
the problem means "negative the cube root of 64"
That answer is -4
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Cheers,
Stan H.