+0

0
129
1
+40

I have to do this, how would I even start, and how would I do other questions like this?

May 19, 2019

#1
+6046
+3

$$\left(32x^{20}y^{-15}\right)^{-\frac 4 5}\\~\\ 1)~\text{apply the outer exponent}\\~\\ \left(32^{-4/5}x^{-16}y^{12}\right)\\~\\ 2)~ \text{put negative exponents into the denominator}\\~\\ \dfrac{y^{12}}{32^{4/5}x^{16}}\\~\\ 3) ~\text{note that 32^{4/5} = 2^4=16}\\~\\ \dfrac{y^{12}}{16x^{16}}$$

.
May 19, 2019

$$\left(32x^{20}y^{-15}\right)^{-\frac 4 5}\\~\\ 1)~\text{apply the outer exponent}\\~\\ \left(32^{-4/5}x^{-16}y^{12}\right)\\~\\ 2)~ \text{put negative exponents into the denominator}\\~\\ \dfrac{y^{12}}{32^{4/5}x^{16}}\\~\\ 3) ~\text{note that 32^{4/5} = 2^4=16}\\~\\ \dfrac{y^{12}}{16x^{16}}$$