Asked by mandy
Given that log2 3=h and log2 5=k, express log2 0.45 in terms of h and k.
Answers
Answered by
Barry
Dear Mandy,
Here is the solution
log2 0.45 = log2 (9/20)
= log2 9 - log2 20
= 2log2 3 - log2 (4x5)
= 2h- (log2 4 + log2 5)
= 2h-(2+k)
= 2h-2-k
Hope this helps
Here is the solution
log2 0.45 = log2 (9/20)
= log2 9 - log2 20
= 2log2 3 - log2 (4x5)
= 2h- (log2 4 + log2 5)
= 2h-(2+k)
= 2h-2-k
Hope this helps
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