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Mikko Haavisto · Answer 1 · 2024-10-15T18:57:38+0000

The answer is -1/343.
1). First you calculate the product which will be -7^-3
2). Express it with a positive exponent which is a^-n = 1/a^n, so answer is -1/7^3
3). Evaluate it which gives you the answer “-1/343

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