<h3>
Answer:</h3>

<h3>
Step-by-step explanation:</h3>
We know that
, so substitute that into the equation. 
With negative powers, instead of making the result negative, you divide one by it. Mathematically speaking,
. This makes our equation: 
Finally, simplify the exponent. 
<em>I think your answer is fine</em>
Answer:
20th: 100 nth: 5
Step-by-step explanation:
the table is multiplying by 5
so 5 × 20 = 100
Answer:
10v+-15y+5
Step-by-step explanation:
With distributive property, you multiply the number outside the parentheses to the numbers inside the parentheses separately then add them together and combine like terms.