Mathematics, 02.11.2019 05:31 Badbpyz7987
Asample of a radioactive substance decayed to 93.5% of its original amount after a year. (round your answers to two decimal places.) (a) what is the half-life of the substance? yr (b) how long would it take the sample to decay to 90% of its original amount? yr
Answers: 3
Mathematics, 21.06.2019 18:00, Jingobob442
Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices
Answers: 2
Asample of a radioactive substance decayed to 93.5% of its original amount after a year. (round your...
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