Answers

2014-11-25T19:28:51+08:00
1.5 x 10^7 x 60 = 1.5 x 10^8 x 6 = 9 x 10^9 red blood cells.
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2014-11-25T20:07:00+08:00

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15x10 ^{7} =15000000
Make a relationship, for every second, there is 5 million red blood cells therefore its:
5million/s

60s(15000000/s)=900000000.

Hope this helps
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