How do u evaluate (-32)^(3/5) without using a calculator?

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How do u evaluate (-32)^(3/5) without using a calculator?

2006-06-07 09:56:39 · 5 answers · asked by adricar09 1 in Education & Reference ➔ Homework Help

5 answers

=((-2^5))^(3/5)
=-2^(5*3/5)
=-2^(15/5)
=-2^3
=-8

2006-06-07 10:39:47 · answer #1 · answered by honeybun 4 · 0⤊ 0⤋

(-32)^(3/5) = ((-32)^(1/5))^3 = (-2)^3 = -8

2006-06-07 10:24:27 · answer #2 · answered by Baseball Fanatic 5 · 0⤊ 0⤋

Logarithms. Remember them? I do, but I'm from BC (Before Calculators).

I think it can be done with a slide rule too, but that's a form of calculator, isn't it.

2006-06-07 10:01:00 · answer #3 · answered by MrQuietGuy 3 · 0⤊ 0⤋

the 5th root of -32^3 = the 5th root of -32768

2006-06-07 10:04:00 · answer #4 · answered by ShiningCrimson 3 · 0⤊ 0⤋

I didn't even know that was possible.

2006-06-07 09:59:52 · answer #5 · answered by the Politics of Pikachu 7 · 0⤊ 0⤋