Question

please answer this step by step​

Answer 1

$\huge{ \mathbb {\orange{ANSWER}}}$

${( \frac{7}{8}) }^{2} \: \times \: {( \frac{1}{8} )}^{ - 2} \: \times \: { {(7}^{4} )}^{ - 1} \\ \\ \frac{7}{8} \: \times \: \frac{7}{8} \: \times \: 8 \: \times \: 8 \: \times \: \frac{1}{7} \: \times \: \frac{1}{7} \: \times \: \frac{1}{7} \: \times \: \frac{1}{7} \\ \\ = \: \frac{1}{49} \: \: or \: \: {(49)}^{ - 1}$

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Answer 2

Here’s your answer…
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