To solve 7^-3 using the property of negative integer exponents, we can rewrite it as the reciprocal of 7^3.
7^-3 = 1/7^3
Now, we can evaluate 7^3 to find the reciprocal:
7^3 = 7 * 7 * 7 = 343
Therefore,
7^-3 = 1/343
solve 7^-3 by applying the property of negative integer exponents
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