Mathematics, 22.06.2019 11:00, seimdakota
Plutonium–238 has a yearly decay constant of 7.9 × 10-3. if an original sample has a mass of 15 grams, how long will it take to decay to 12 grams? (at = a0e-kt) a. 3 years b. 12.3 years c. 28.3 years d. 139.1 years
Answers: 1
Mathematics, 21.06.2019 18:00, kyasnead8189
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
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Mathematics, 22.06.2019 02:30, gracie0818
Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?
Answers: 1
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