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Harlamova29_29 [7]
3 years ago
10

2 × 10^12 red blood cells have a total mass of 90 grams.

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0

Answer:

2×10¹² cells → 90 g

mass of 1 red blood cell : 90÷(2×10¹²) = 45×10^-12 g = 4.5×10^-11 g

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