marlieblanding marlieblanding

22-02-2019
Mathematics

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A scientist using a special camera observes that a humming birds wings beat 4680 times a minute on average how many time how many times per second does the hummingbird beat its wings?

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lisamikkola lisamikkola

22-02-2019

4680/60=78 The hummingbird beats it’s wings, on average, 78 times per second.

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