At the end of the 20th century, the world population was approximately 6.1 × 10 raised to the power 9 people. Express this population in the usual form. How would you say this number in words?

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit