Manganese -56 has a half life of hours. How many half lives are there in 24 hours? Remember to round to the correct number of significant figures and use units (half-lives)

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the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.