SOLUTION: A red blood cell is 7 x 10^6 meters in diameter. There are about 2 x 10^13 red blood cells in a 125-lb person. If all of the red blood cells were lined up end to end, how long woul

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Question 571589: A red blood cell is 7 x 10^6 meters in diameter. There are about 2 x 10^13 red blood cells in a 125-lb person. If all of the red blood cells were lined up end to end, how long would the line be? Write your answer in scientific notation.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
I presume you mean 7 x 10^(-6) instead of 7 x 10^6.

The length of the blood cells would simply be (2 x 10^13)(7 x 10^(-6))

= 14 x 10^7 = 1.4 x 10^8 (meters).