Why does -2 to the power of 3 produce the same answer as (-2) to the power of 3
2 answers:
The way to put this is that <em>any </em><em>negative</em><em> </em><em>base</em> raised to an odd-numbered power, will result in a negative result, whereas <em>any</em><em> </em><em>negative</em><em> </em>base raised to an even-numbered power, will result in a positive result, with the EXCEPTION of a negative base written WITHOUT grouping symbols. For instanse:
I hope you know the differense now, and as always, I am joyous to assist anyone at any time.
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As the question says that Tory knows for $5 he will get 3.45 euros.
Now for the euro trip he needs to know the rate of conversion or the rate of euros per dollar.
To find the rate of conversion we need to use unitary method.
As we know that at the given rate he gets,
3.45 euros for $5
or the other way around
euros
Now, using the unitary method we get,
euro
Therefore, at the given rate we can see that for each dollar Tory would get 0.69 euro.