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Use the worked example above to help you solve this problem. The half-life of the radioactive nucleus 88 226 Ra is 1.6 x 10° yr. If a sample initially contains 3.41 x 1o1 such nuclei, determine the following: (a) the initial activity in curies Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. pCi (b) the number of radium nuclei remaining after 5.0 x 10° yr nuclei (c) the activity at this later time

Use the worked example above to help you solve this problem. The half-life of the radioactive nucleus 88 226 Ra is 1.6 x 10° yr. If a sample initially contains 3.41 x 1o1 such nuclei, determine the following: (a) the initial activity in curies Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. pCi (b) the number of radium nuclei remaining after 5.0 x 10° yr nuclei (c) the activity at this later time

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Use the worked example above to help you solve this problem. The half-life of the radioactive nucleus 88 Ra is 1.6 x 10 yr. If a sample initially contains 3.41 × 1016 such nuclei, determine the following: (a) the initial activity in curies Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. pCi (b) the number of radium nuclei remaining after 5.0 x 10° yr nuclei (c) the activity at this later time uCi EXERCISE HINTS: GETTING STARTED I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. (a) Find the number of remaining radium nuclei after 3.50 × 10 yr. N = nuclei (b) Find the activity at this time. R =
Transcribed Image Text:Use the worked example above to help you solve this problem. The half-life of the radioactive nucleus 88 Ra is 1.6 x 10 yr. If a sample initially contains 3.41 × 1016 such nuclei, determine the following: (a) the initial activity in curies Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. pCi (b) the number of radium nuclei remaining after 5.0 x 10° yr nuclei (c) the activity at this later time uCi EXERCISE HINTS: GETTING STARTED I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. (a) Find the number of remaining radium nuclei after 3.50 × 10 yr. N = nuclei (b) Find the activity at this time. R =
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