Answer:
28,000 dollars
Step-by-step explanation:
28000x4 years=112000
112000x 25/100=
28000
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Answer: H -3 goes in y -7 goes in x
Step-by-step explanation:
Answer:
x>26
Step-by-step explanation:
hope this helps
Answer:
The half-life of this isotope is of 554 years.
Step-by-step explanation:
The amount of the radioactive isotope remaining after t years is given by the following equation:
In which P(0) is the initial amount and r is the yearly rate that it decays, as a decimal.
A certain radioactive isotope decays at a rate of 0.125% per year.
This means that
Then
Determine the half-life of this isotope, to the nearest year.
This t for which
Then
Rounding to the neearest year
The half-life of this isotope is of 554 years.