PhysicsEasy183×since 2002Q6113There are 10¹⁰ radioactive nuclei in a given radioactive element, its half-life time is 1 minute. How many nuclei will remain after 30 seconds? (2=1.414)\left( {\sqrt 2 = 1.414} \right)(2=1.414)A2 ×\times× 10¹⁰B7 ×\times× 10⁹C10⁵D4 ×\times× 10¹⁰Check answerSkip