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How do you find log of a number without calculator n log table?
Wiki User
∙ 12y ago
Without tables or calculators, this kinda question is hard, so if there is a non-calculator question involving logs, just chuck numbers in. I find it helpful to rearrange the log into a power problem e.g.
log2(x) = 8 --------> x = 28 = 256
or
log2(8) = x ----------> 2x = 8 = 3 (by observation)
or
logx(8) = 2 ----------> x2 = 8, x = (+/-)(root 8) = (+/-)(2root2)
Wiki User
∙ 12y ago
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