8. An adult person has roughly 24 x 10 to the power 12 red blood cells. The average diameter of each of these
cells is 8 x 10 to the power -9 km. If these cells are placed end to end, how long would the line be?
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6
Answer:
24 × 10 ^12 × 8 × 10 ^-9
192 × 10 ^ 3
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3
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the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
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