##log 0.01####=-2## ##log 0.01## ##=log (1/100)## ##=log (1/10^2)## ##=log 10^-2##-> use property ##x^-n=1/x^n## ##=-2 log 10##-> use property ##log_b x^n = n log_b x## ##=-2(1)##-> log 10 = 1 ##=-2##
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