Write in logarithmic form. \( \left(\frac{1}{2}\right)^{-3}=8 \)
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The Deep Dive
To express the equation \( \left(\frac{1}{2}\right)^{-3} = 8 \) in logarithmic form, we can rewrite it as \( -3 = \log_{\frac{1}{2}}(8) \). This translates to saying that raising \( \frac{1}{2} \) to the power of \( -3 \) gives us \( 8 \). Now, just for some extra fun, did you know that logarithms were invented in the 16th century to simplify complex calculations, especially for astronomy and navigation? John Napier and later Henry Briggs took the wheel, creating tables that made multiplying and dividing much easier! And if you're looking to sharpen your logarithmic skills, a classic pitfall is forgetting that exponents can be negative. Practicing problems with different bases and exponents will help you master the topic—it's like leveling up in a video game!