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# Use a linear approximation (or differentials) to estimate the given number.$(1,999)^4$

## $(1.999)^{4} \approx 15.968$

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### Video Transcript

okay, we know if Alexis X to the fourth. Therefore, the change in X, or Delta X is negative 0.1 Access to their fur off of two minus 0.1 to the fourth. Power is to to the fourth time's one minus four come 0.1 over two, which is equivalent to 15.968

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