What is 54,105,500 in expanded form

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

3. simplify. 312⋅312 4. rewrite n√xm using a rational expression.