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Lapatulllka [165]
3 years ago
12

the sides of a square are five to the power of two fifths inches long. what is the area of the square? five to the power of four

fifths square inches five to the power of four twenty fifths square inches twenty five to the power of four fifths square inches twenty five to the power of four twenty fifths square inches
Mathematics
2 answers:
mario62 [17]3 years ago
8 0
The area of a square is given by;
Area=side^{2}
Area=5^{ \frac{2}{5} } * 5^{ \frac{2}{5} }
Basing on the law of indices;
a^{m} + a^{n}=a^{m+n}
so,
5^{ \frac{2}{5} } * 5^{ \frac{2}{5} } = 5^{ \frac{2}{5}+ \frac{2}{5}  } = 5^{ \frac{4}{5} }  square inches


Brut [27]3 years ago
8 0

Answer:

5^{\frac{4}{5}}

Step-by-step explanation:

We know that the area of a square is given by the formula

Area =s^2

Where s is the side of the square which is 5^{\frac{2}{5}} in our problem.

Hence the area can be calculated as

Area=(5^{\frac{2}{5}})^{2}

Here we apply the exponent rule which says

(x^{a})^{b}=x^{ab}

Hence

(5^{\frac{2}{5}})^{2}=5^{\frac{2*2}{5}}

(5^{\frac{2}{5}})^{2}=5^{\frac{4}{5}}

Answer : Area= 5^{\frac{4}{5}}

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A train is 300 meters long. A tunnel is 2900 meters long. The train travels at 600 meters per min. How long is the time between
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