cmfield1661 cmfield1661
  • 06-06-2023
  • Mathematics
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The half-life of sodium-22 is 2.6 years. If there are initially 30 grams of sodium-22, find a formula that gives the amount S, in grams, remaining after r years. (Express numbers in exact form. Use symbolic notation and fractions where needed. Give the formula in terms of r.)

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