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wel
3 years ago
7

In one year, the number of times an average person's heart beats is 4.21 107

Mathematics
2 answers:
Sladkaya [172]3 years ago
7 0
42100000, so this is in scientific notation.
Rus_ich [418]3 years ago
5 0
42,100,000 is equivalent
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Answer:

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Hope this helps

Double-checking

35 - 8 = 27

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Step-by-step explanation:

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