A certain isotope has a half-life of 9 hours. If the
initial mass of the isotope is 20.8 mg, w...
Mathematics, 03.05.2020 14:15 cthompson1107
A certain isotope has a half-life of 9 hours. If the
initial mass of the isotope is 20.8 mg, what is the
mass after 63 hours?
a. 0.1625 mg
b. 0.040625 mg
c. 5.2 mg
d. 1.3 mg
Answers: 2
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Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?
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