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# 512^(1/9)*10-2*8v

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512^(1/9)*10-2*8v

Guest Aug 9, 2017
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(Weird my previous answer seems to have disappeared.)

Intepretation: $$512^{\frac{1}{9}}\cdot 10-2\cdot 8v$$

We know that $$2^9=512$$, therefore $$512^{\frac{1}{9}}=2$$

Ans: $$2*10-2*8v$$

$$=20-16v$$

$$=4(5-4v)$$

Q.E.D.

Jeffes02  Aug 9, 2017