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What is 1/7^9 × 1/7^-6
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What is 1/7^9 × 1/7^-6

User Doug Null
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\bf \cfrac{1}{7^9}\cdot \cfrac{1}{7^(-6)}\implies \cfrac{1\cdot 1}{7^9\cdot 7^(-6)}\implies \cfrac{1}{7^(9-6)}\implies \cfrac{1}{7^3}\implies \cfrac{1}{343}
User Rhino
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