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25-09-2017
Mathematics

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Humans can hear sounds with frequencies up to 20,000 Hz, while dolphins can hear sounds as high as 150,000 Hz. Write these numbers in scientific notation.

Respuesta :

25-09-2017

20,000 Hz = 2 × 10^4 Hz

150,000 Hz = 1.5 × 10^5 Hz

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