25 x 10 to the power of 6 in standard form

What point is the projection of q on a) r b) s c) t

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?

3/4 = c/36 i need with this fraction proble.