logs Flashcards
1
Q
If a log doesn’t appear to have a base, what is it?
A
10.
2
Q
What are the laws of logs?
A
log a+log b = log ab
log a a log b + log a÷b
log (a^n)= n log a
log 1 = 0
3
Q
How would you solve 2^2X=5
A
log both sides.
log 2^2x=log 5
2xlog2=log5
2x= log5÷log2
