ijohnh14
04.02.2020 •
Mathematics
What fraction of a given sample of radioactive nuclide remains after four half lives?
a. half-life: 1/2 left
b. half of that, or 1/4
c. half of that, or 1/8
d. half of that, or 1/16
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Ответ:
2: half of that, or 1/4
3: half of that, or 1/8
4: half of that, or 1/16
. (1/2)^4 = 1/16
soafter four half lives it would be 1/16
so correct option is D
Ответ:
224.97 * 0.73 = $164.23
Subract the discount from the original price to get the sale price.
224.97 - 164.23 = 60.74
The sale price is $60.74.