Samantha threw an apple out of a window from the tenth floor of her apartment building

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Samantha threw an apple out of a window from the tenth floor of her apartment building. The equation y = -16t² +120 can be used to represent the fruit's height above the ground, where t represents time, in seconds, after she threw the apple. How long did it take the apple to hit the ground? Round your answer to the nearest hundredth.