Whats 3x3 and 4x4 combined?

How many grams must be adde to 970g to make 1 and a half kg

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Pls i’m super dumb and i need with this one it’s due tomorrow