maths
posted 172 days ago
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Theo
A substance decays by an expression 3 exponent 2y where y is in years. Find the number of years needed for the substance to decay to a size of 9 exponent 4.
38 days
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Theo
A substance decays by an expression 3 exponent 2y where y is in years. Find the number of years needed for the substance to decay to a size of 9 exponent 4.
38 days