A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t)=400e-0.032t,where t is time in years. Find the amount of radioactive lead remaining after (a) 4...

A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t)=400e-0.032t,where t is time in years. Find the amount of radioactive lead remaining after (a) 4...

Sales of a product, under relatively stable market conditions but in the absence of promotional activities such as advertising, tend to decline at a constant yearly rate. This rate of sales decline...

Suppose an Egyptian mummy is discovered in which the amount of carbon-14 present is only about three-fourths the amount found in living human beings. The amount of carbon-14 present in animal bones...

The amount of carbon-14 present in a paint after t years is given by y=y0e-0.00012t. The paint contains 37% of its carbon-14. How old are the paintings?

I am really confused how to solve this, and how to put it into a calculator. A)0.337 B)-2.838 C)0.058 D)-0.231

e9-4x = 7472 We need to express the solution in terms of natural logarithms, having both the EXACT answer and the DECIMAL APPROXIMATION. Somehow got the decimal approximation, but...

Let f(x)= -5ln(6x) I can't figure out how to find the fourth derivative. f'(x)= -5/x f'(4)= ___

Write an exponential decay model for the value of the car.After about how many years will the car be worth half of its purchase price?

ln(x+4) - ln18 = ln5

7 e^x = -2 e^x + 5 Find x where e is the base of a natural log

My teacher will give me extra credit if I can prove that log(a^x) = 1/log(x^a) Can you help? Thank you.

LIM x→1+ ((1/LN(x)) - (1/x2-1))

Solve for x and give answers as exact solutions

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