Algebra 2
posted by Norma .
You have 10 coins..3 quarters,5 dimes, and 2 nickels.
a. A coin is selected and then replaced. A second coin is selected and then replaced. A third coin is selected and then replaced. Find the probability that all 3 coins were dimes.

mmmh ?
what is (1/2)(1/2)(1/2) ?