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Question Number 192426 by mathlove last updated on 17/May/23

$$log(-10)(-10)=?$$

Answered by Frix last updated on 18/May/23

$$\mathrm{Unclear}:$$$$\log \left(a\right)\left(a\right)=\left(a\right)\log \left(a\right)$$$$-10\log (-10)=-10\log \left({10\mathrm{e}}^{\mathrm{i}\pi }\right)$$$$\mathrm{Or}\mathrm{do}\mathrm{you}\mathrm{mean}:$$$$\log \left(\left(a\right)\left(a\right)\right)$$$$\log \left((-10)(-10)\right)=\log \left(100\right)$$$$\mathrm{Is}‘‘{\log }^{″}={\log }_{10}\mathrm{or}\ln ?$$

Commented by mathlove last updated on 18/May/23

$${log}_{10}\left((-10)(-10)\right)$$

Commented by Frix last updated on 18/May/23

$${\log }_{10}\left((-10)(-10)\right)={\log }_{10}100=2$$

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