South americas population in 2000 was 953,000,000. Write this number in scientific notation

Mr. johansen is cutting construction paper for an art project. he has 24 students, and six pieces of construction paper. how much paper will each student receive?

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Two lines parallel to a third line are parallel to each other. always sometimes or never