3 years ago

1783 , 3178 , 8317 , ?

Mathematics

1 answer:

vaieri [72.5K]3 years ago

7 0

Answer:

1783, 3178, 8317, 7831

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3 years ago

We were never taught this in class, and I understand it, kind of... but i'm just confused with everything.

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$\bf \cfrac{x^3y}{xy^5}\cdot \cfrac{x^2y^9}{x^8}\implies \cfrac{x^3x^2y^1y^9}{x^1x^8y^5}
\\ \quad \\
\textit{now, using exponent rules, same base, different exponent}
\\ \quad \\
\cfrac{x^{3+2}y^{1+9}}{x^{1+8}y^5}\implies \cfrac{x^5y^{10}}{x^9y^5}\\
----------------------------\\$ $\bf \textit{now, keep in mind that}
\\ \quad \\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad

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\\ \quad \\
% negative exponential denominator
a^{{ n}} \implies \cfrac{1}{a^{- n}}
\qquad \qquad 

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\\ \quad \\
thus\\
----------------------------\\
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\\ \quad \\
x^5x^{-9}y^{10}y^{-5}\implies x^{5-9}y^{10-5}\implies x^{-4}y^5
\\ \quad \\
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3 years ago

1783 , 3178 , 8317 , ?​

1783 , 3178 , 8317 , ?