# How do you multiply #t^ { - 1} u ^ { - 1} \cdot t u ^ { - 5} \cdot t ^ { - 4} u ^ { 0}#?

Think back to two of the index laws.

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To multiply the given expressions, you add the exponents of like bases:

(t^{-1} \cdot tu^{-5} \cdot t^{-4}u^0 = t^{-1+1-4}u^{-1-5+0} = t^{-4}u^{-6})

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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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