Solve the following expressions.
`(-1/343)^(-2/3)`

Explanation

To solve the expression \((-1/343)^{-2/3}\), we can follow these steps:

### Step 1: Rewrite the expression with a positive exponent
Using the property of exponents that states \(a^{-m} = \frac{1}{a^m}\), we can rewrite the expression:
\[ (-1/343)^{-2/3} = \frac{1}{(-1/343)^{2/3}} \]

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