Will give brainliest
a sample of 500 g of radioactive lead-210 decays to polonium-210 according to the function upper a left parenthesis t right parenthesis equals 500 e superscript negative 0.032 t, where t is time in years. find the amount of radioactive lead remaining after (a) 3 yr, (b) 6 yr, (c) 10 yr. (d) find the half-life.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

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