Mathematics, 04.06.2021 22:40, lalop3412

The rate of decay in the mass, M, of a radioactive substance is given by the differential equation dM dt equals negative 1 times k times M, where k is a positive constant. If the initial mass was 150g, then find the expression for the mass, M, at any time t. M = e−kt
M = 150 ekt
M = 150 e−kt
M = 150ln(kt)
Please need help asap!

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The rate of decay in the mass, M, of a radioactive substance is given by the differential equation d...