Answer Happy

Posted: **Wed May 18, 2022 4:47 pm**

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Learning Goal: Radioactive decay - Half - life Time 0 1000 fue 210 31 4 Бta 60 750 Number of nuclides, Nx 10° N 1.000.000 500,000 250,000 125,000 62.500 31250 15,625 7813 3,906 1,953 971 7 500 Blo 91 101 250 125 he 21, 31, 41, 51, 61,271, 81, 91., 101, Time in multiples of A radioactive sample's half-life is 30.2 years. 1 year = 365 days, 1 day = 24 hours, 1 hour = 60 min, 1min 60 S
Part E-New case: The initial sample has N, 9.1x100 radioactive nuclei. What is the initial activity in decays/s (Ba)? Keep 2 digits after the decimal point V AX0 th ? BY R- Submit Request Answer Part F. New case: The initial sample has N, = 9.1x1010 radioactive nuclei. What is the number of radioactive nucloi that remain after 4.00 years? Use scientific notations, format 1.234'10 ΡΟΙ ΑΣφ OG ? N=
Part G - New case: After 4.00 years what is the activity in decays/s (Bq)? Keep 2 digits after the decimal point. 10 A ? Bq R = Submit Request Answer