and
use the second expression to calculate the left-hand side of the first equation:
Add 10 to both sides if this equation to get
and divide both sides by 2
this proves that x = 17, give the two initial equations
The half- life of 1-137 is 8.07 days.if 100 grams are left after 40.35 days, how much grams were in the original sample?
1 answer:
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