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kozerog [31]
3 years ago
12

Which expression is equivalent to (4mn/m^-2n^6)^-2

Mathematics
1 answer:
Illusion [34]3 years ago
5 0
First, we get rid of the negative exponent in the parenthesis.  We do this by moving it to the top.  Our equation is now:

( \frac{4m^3n}{n^6})^{-2}

Next, we can cross out one n from both the top and the bottom.

(\frac{4m^3}{n^5} )^{-2}

Finally, we evaluate the -2

Our equation becomes:

\frac{ (4*m^3)^{-2}  }{(n^5) ^{-2} }

This becomes: \frac{(n^5)^2}{(4*m^3)^2} =  \frac{ n^{10} }{16*m^6}

This can not be simplified any further, so this is the final answer.
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Step-by-step explanation:

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Bogdan [553]

Answer:

the expression is: ^{15}P_3=\frac{15!}{(15-3)!}

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In the given question we have to choose a president, vice

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Permutations are used when order is important so, as in the given question order is required. We would use permutations

The formula used is: ^nP_r=\frac{n!}{(n-r)!} where:

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Putting values and finding the answer:

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This number is 5008405

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