Solve. growth function A-30ekt
The first recorded population of a particular country was 30 million, and the population was recorded as 36 million 8 years later. The exponential
describes the population of this country t years since the first recording. Use the fact that 8 years later the population
increased by 6 million to find k to three decimal places.

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First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

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