A laboratory has a 75 - gral sample of radioactive material. The half-life of the material is 10 days. (This means that it takes 10 days for half of the initial mass to decay.) The formula below can be used to find m, the remaining mass in grams, in terms of t, the number of 10-day intervals the mass has been decaying. m = 75 * (0.5) ^ t Based on the formula, what is the mass of the laboratory's sample remaining after 30 days?o

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answer: 88

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