The nth term of a sequence is \(2^{2n-1}\). Which term of the sequence is \(2^9?\)
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50 questionsEvaluate \(5\frac{2}{5}\times \left(\frac{2}{3}\right)^2\div\left(1\frac{1}{2}\right)^{-1}\)
A boy estimated his transport fare for a journey as N190 instead of N200. Find the percentage error in his estimate
In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the number of bad oranges in the bag is 36, how many oranges are there in the altogether?
Express 0.0462 in standard form
If N varies directly as M and N = 8 when M = 20 find M when N = 7
In a class of 80 students, every students studies Economics or Geography or both. If 65 students study Economics and 50 study Geography, how many study both subjects?
Evaluate \(log_{10}5 + log_{10}20\)
Evaluate \((20_{three})^2 - (11_{three})^2\) in base three
Which of the following correctly expresses 48 as a product of prime factors?