+1072 +1072 
+1610 +1610 +1610 +1610 
+1040 +1040 +1040 In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers ($1,$ $2,$ $3,$ $4,$ $5,$ $6,$ and $7$). Among all the cards of each color, there is exactly one card labeled with each number.
read more .. 
+164 
+941 +941 +941 +941 Sam writes down the numbers $1,$ $2,$ $\dots,$ $315,$ $316,$ $317,$ $\dots,$ $248,$ $249,$ $250.$
(a) How many digits did Sam write, in total?
(b) Sam chooses one of the digits written down at random. What is the probability
read more .. +941 +941 
+1067 +1067 +1067 +1067 +1067 +1067 Apr 13, 2024
+941 +941 +941
0 Online Users
