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The half-life of isotope X is 2.0 years. How many years would it take for a 4.0mg sample of X to decay and have only 0.50 mg of it remain
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Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.
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The half-life of isotope X is 2.0 years. How many years would it take for a 4.0mg sample of X to dec...
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