ssim Brief and Feedback form aded unit with single assignment) on Number of radioactive nuclei Time (min) (millions) 0 500 1 250 2 125 3 63 4 31 5 16 i) Write down an algebraic rule linking the number of nuclei present at a particular time to the number present one minute previously. ii) Write down an expression for the number of nuclei present after t minutes Calculate the number of nuclei present after a quarter of an hour. iv) Find the time for the number of nuclei to reach 100. iii)
ssim Brief and Feedback form aded unit with single assignment) on Number of radioactive nuclei Time (min) (millions) 0 500 1 250 2 125 3 63 4 31 5 16 i) Write down an algebraic rule linking the number of nuclei present at a particular time to the number present one minute previously. ii) Write down an expression for the number of nuclei present after t minutes Calculate the number of nuclei present after a quarter of an hour. iv) Find the time for the number of nuclei to reach 100. iii)
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please take into account the radioactive nuclei being in the millions or x10(6) when doing calculations. thank you
Transcribed Image Text:Algebra Coursework
Investigation 1
The table shown below gives the number of radioactive nuclei in a radioactive sample
over a period of 5 minutes.
5
DON
Brief and Feedback form
(Graded unt with single assignment)
ndon
Number of radioactive nuclei
Time (min)
(millions)
0
500
1
250
2
125
3
63
4
31
5
16
i)
Write down an algebraic rule linking the number of nuclei present at a particular
time to the number present one minute previously.
ii)
Write down an expression for the number of nuclei present after t minutes
Calculate the number of nuclei present after a quarter of an hour.
iii)
iv) Find the time for the number of nuclei to reach 100.
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