Idon't get this question or the clue here it is " my age is 10 more than one tenth of one tenth of one tenth of 3,000 what is my age" can someone me

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.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.