Log(ab)=log(a)+log(b)
log_a(a)=1
so
log_a(a)=1
so
The stock of Company A gained 5.25% today to $21.05. What was the opening price of the stock in the beginning of the day?
2 answers:
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Just to remove ambiguities, the bar over the expression means it's repeating itself to infinity.
notice, the idea being, you multiply it by 10 at some power, so that you move the "recurring decimal" to the other side of the point, and then split it with a digit and "x".
now, you can plug that in your calculator, to check what you get.
notice, the idea being, you multiply it by 10 at some power, so that you move the "recurring decimal" to the other side of the point, and then split it with a digit and "x".
now, you can plug that in your calculator, to check what you get.