Question

convert into the notation -1/343​

Answer 1

${( \frac{ - 1}{7}) }^{3}$

is the answer

Step-by-step explanation:

$\frac{ - 1}{343} = \frac{( - 1) \times ( - 1) \times ( - 1)}{7 \times 7 \times 7} \\ = {( \frac{ - 1}{7}) }^{3}$

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