Question

log 0,000064 na base 5?

Answer 1

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$\log_50,000064=x \\ \\ 5^x= \frac{64}{1000000} \\ \\ 5^x= \frac{2^6}{2^6.5^6} \\ \\ 5^x= \frac{1}{5^6} \\ \\ 5^x=5^{-6} \\ \\ x=-6$