Yay. will someone please explain to me why log[sub]2 4 - log[sub]2 16 = -2?? thanks
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well its pretty basic, you just need to ask yourself the right questions: what number that 2 raised to,gives you 4? and second question is what number that 2 is raised to,gives you 16?
Originally Posted by peepsrock09 Yay. will someone please explain to me why log[sub]2 4 - log[sub]2 16 = -2?? thanks $\displaystyle \log_2 4 - \log_2 16 = log_2 2^2 - \log_2 2^4 = 2 - 4 = -2$.
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