a.
The amount of sample remained after 72 years.
a.
Answer to Problem 28PPS
The amount of sample remained after 72 years is 0.00625 gm.
Explanation of Solution
Given:
The number of grams of plutomium-241 left after t years is given by,
Initial amount of sample is 0.2 gm.
Calculation:
Consider the given expression.
Substitute the values in above expression.
Conclusion:
Hence, the amount of sample remained after 72 years is 0.00625 gm.
b.
The amount of sample remained after 1095 days.
b.
Answer to Problem 28PPS
The amount of sample remained after 1095 days is 0.1731 gm.
Explanation of Solution
Given:
The number of grams of plutomium-241 left after t years is given by,
Initial amount of sample is 5.4 gm.
Calculation:
Consider the given expression.
Calculate the time in year.
Substitute the values in above expression.
Conclusion:
Hence, the amount of sample remained after 1095 days is 0.1731 gm.
Chapter 7 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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