The question is in the screen shot you will get 100 points! if you lie i will report

What is the number 321,000,000 in scientific notation? also what is the number? ?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

How many terms does the polynomial x^2 y^2 have