Question 115041
2(2^(2t-5))-4=10 
2^(2t-4)= 14
Take the log of both sides to get:
(2t-4)log2 = log 14
2t-4 = [log14]/[log2]
2t-4 = 3.80735...
2t = 7.80735...
t = 3.90368
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Cheers,
Stan H.