Radioactive Half Life Calculation
A 6.95-gram sample of radioactive nobelium-259 has a half-life of 58 minutes. What mass of the sample remains after 2 hours and 54 minutes?
A
10.43 grams
B
1.74 grams
C
0.434 grams
D
0.869 grams
E
3.48 grams
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