4 years ago

I need help with this question please ASAP!!!!!!!

Mathematics

1 answer:

Elza [17]4 years ago

4 0

Answer:

$( - \frac{5}{7} )^{17}$

Step-by-step explanation:

Indices law states that

${x}^{m} \times {x}^{n} = {x}^{m + n}$

Thus,

$( - \frac{5}{7})^{8} \times ( - \frac{5}{7} )^{9} \\ = ( - \frac{5}{7} )^{8 + 9} \\ = ( - \frac{5}{7} )^{17}$

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