Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows a compounded continuously model, we can determine the amount of substance...

Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows a compounded continuously model, we can determine the amount of substance...

8^x-1 = 4 how do i approach this

This is a question from a math book by exponential functions.

Has an initial value of 5 and a multiplier of 2

I’m confused as to how to solve this

independent variable domain and range

i need help please help me

i need help

A new car is purchased for 19000 dollars. The value of the car depreciates at 11.25% per year. What will the value of the car be, to the nearest cent, after 14 years?

Calculate your answer and give answer to 2 decimal places

Round to the nearest cent

I Also Need A graph and table

A cars initial value of $23000 is decreasing value of 8% each year. At this rate, approximately what will the value of the car be in 3 years?

I know it's exponential but the equation I got (-20(2)^x) doesn't work when plug 3 (and beyond) for x. what am I missing?? Thanks in Advance!!

This is an example question I made up. Can you tell me how I would work this out and make a list of steps??? Thanks!

Has an initial value of 5 and a multiplier of 2

Solve for x

√411 two integers between that

Ms. Klemperer told her English class that each week students tend to forget one sixth of the vocabulary word they learned in the previous week. Suppose a student learns 60 words. The number of the...

What is the y=a(b)^x form of this equation? The amount of bacteria also doubles per each minute. How much bacteria will be present after 20 minutes?