In which number does the digit 3 have a value that is 10 times as great as the value of the digit 3 in 143,728?

Joanie watched 1 out of three of a movie in the morning

Indicate the formula for the following conditions: p^c(n,r)=

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?