Question

${x}^{7} . {x}^{8}$
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Answer 1

꧁Hello, how are you?꧂

$x {}^{7} \times x {}^{8} \\ \\ x {}^{7 + 8} \\ \\ x {}^{15}$

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Answer 2

$x {}^{7} \times x {}^{8} \\ \\ x {}^{7 + 8} \\ \\ = x {}^{15}$

Espero ter ajudado!!