Can someone me with these two parts
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Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
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Mathematics, 21.06.2019 16:40
Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4
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Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
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Mathematics, 03.12.2020 01:30
Mathematics, 03.12.2020 01:30
Social Studies, 03.12.2020 01:30
Social Studies, 03.12.2020 01:30
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Mathematics, 03.12.2020 01:30
Mathematics, 03.12.2020 01:30
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Health, 03.12.2020 01:40
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