Following the generalized form that you wrote, you know that a negative exponent sends its base to the denominator (or numerator if it's in the denominator already). Or to put it formally as you wrote it, for any nonzero real number a and natural number n, <span>the negative rule of exponents states that </span>

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So,

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Answer:
=3x^7
Step-by-step explanation:
Simplify, 12x^4 ÷ 4 x^3
Cheers! :)
Answer:
value of z = 2
Step-by-step explanation:
here's the solution :-
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![z = \sqrt[3]{8}](https://tex.z-dn.net/?f=z%20%3D%20%20%20%5Csqrt%5B3%5D%7B8%7D%20)
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![z = \sqrt[3]{2 \times 2 \times 2}](https://tex.z-dn.net/?f=z%20%3D%20%20%5Csqrt%5B3%5D%7B2%20%5Ctimes%202%20%5Ctimes%202%7D%20)
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Sorry if i get this wrong... but I'd say 1/2
Answer:
30
Step-by-step explanation:
1. 7 times 2 is 14 + 6 is 20
2. Add 6 + 4 is 10
2. Add 20 and 10, u get 30
Hope this helps, Good Luck!