Question

Give the answer in scientific notation: human heart beats at an average of 80 beats per
minute. How many times does it beat in a year

Answer 1

Answer:

If you use an average of 80 beats per minute, your heart beats about 4,800times per hour.

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Answer 2

The heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times.