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The Half-Life for Electron Capture for Is 1

Question 55

Multiple Choice

The half-life for electron capture for The half-life for electron capture for is 1.30 * 10<sup>9</sup> years. What percent of the original remains after 3.90 *10<sup>9</sup> years? A) 12.5% B) 75.0% C) 25.0% D) 33.3% E) 50.0% is 1.30 * 109 years. What percent of the original The half-life for electron capture for is 1.30 * 10<sup>9</sup> years. What percent of the original remains after 3.90 *10<sup>9</sup> years? A) 12.5% B) 75.0% C) 25.0% D) 33.3% E) 50.0% remains after 3.90 *109 years?


A) 12.5%
B) 75.0%
C) 25.0%
D) 33.3%
E) 50.0%

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