Which of the following expressions is equivalent to $x^{3} x^{5}$ ?

2 x^{8}

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x^{15}

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x^{2}

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x^{8}

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2 x^{15}

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Solution

The correct option is E $x^{8}$
We know, $x^{a} \times x^{b} = x^{(a + b)}$
Therefore the value of $x^{3} x^{5} = x^{3 + 5} = x^{8}$

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