Six physicists describe the amount of a radioactive substance, Q in grams, left after t years. 1. Show that the expressions describing the radioactive substance are all equivalent. a) Q = 300(0.5)2t b) Q = 300(2)-2t c) Q = 300(0.0625)t/2 d) Q = 300(0.25) t e) Q = 75(0.25) t-1 f) Q = 600(0.5)

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