The expression 2^6 x64^t approximates the number of bacteria after t hours. After 1/2 hr, how many bacteria are those? is it 2^6..
if t = 1/2 n = (2^6) (64)^.5 but the square root of 64 is 8 so n = 2^6 * 8 which is 2^6 * 2^3 which is 2^9 which is 512 by the way 2^6 = 64
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