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1. We conclude that the copper in the body of a 150 pound person in standard form is 0.00023 lb.

   How much copper is in the body of a 150 pound person?

   We know that for a person of 150 pounds, the exact amount of copper in scientific notation is:

   2.3*10^(-4) lb

   Now we just need to expand that, remember that a negative exponent means that we need to move the decimal point to the left, because the exponent is 4, we move the decimal point 4 times to the left, then we get:

   2.3*10^(-4) lb = 0.00023 lb

   Then we conclude that the copper in the body of a 150 pound person in standard form is 0.00023 lb.

   If you want to learn more about scientific notation.

   https://brainly.com/question/5756316

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