katehoffmann katehoffmann

02-12-2020
Mathematics

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the half-life of radium-226 is about 1,590 years. How much of a 100mg sample will be left in 500 years

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Lily090 Lily090

02-12-2020

Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz

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