The formula for exponential decay is y=a (1-r) ^t, where a is the initial amount, r is the rate of decay and t is the number of intervals. use the formula to determine the answer to the following problem.

on wednesday your science teacher gives you a list of twenty five terms to be memorized. you memorize all of them wednesday night and do not look at the list again. if you forget 5% of the list each day, how many terms will you remember seven days later for the chapter test?

Question

13 September, 21:54

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Answers (1)

Know the Answer?

Ciara Charles · Answer 1

Answer = 17.4584324

Explanation=

a=25 r=5%=5/100=.05 t=7

Y=25 (1-.05) ^7 so y=17.4584324