# How do you evaluate #5^-7 times 5^9#?

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To evaluate (5^{-7} \times 5^9), we use the properties of exponents, specifically the product rule.

(5^{-7} \times 5^9 = 5^{-7 + 9} = 5^2 = 25).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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