Justine is trying to read the most pages of all students in her Language Arts class by the end of the year. The table shows the
pages Justine read, and the time she read them in.
Which of the following would be the best equation for the function of the values for Justine's reading?
A. h = 40p
B. p = 7h
C. 40p = h
D. p = 40h
Which of the following would be the best equation for the function of the values for Justine's reading?
A. h = 40p
B. p = 7h
C. 40p = h
D. p = 40h
2 answers:
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Answer:
22.38 g of silicone-32 will be present in 300 years.
Step-by-step explanation:
A radioactive half-life refers to the amount of time it takes for half of the original isotope to decay and its given by
where,
= quantity of the substance remaining
= initial quantity of the substance
= time elapsed
= half life of the substance
From the information given we know:
- The initial quantity of silicone-32 is 30 g.
- The time elapsed is 300 years.
- The half life of silicone-32 is 710 years.
So, to find the quantity of silicone-32 remaining we apply the above equation
22.38 g of silicone-32 will be present in 300 years.