How can i write 20,484,163 in expanded from

Which expression is equivalent to? assume x > 0 and y > 0.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set