Question

17. In 2008, the world population is about 6,760,000,000. Write the 2008 world population in scientific notation.

18. Calculate the circumference of a circular field whose radius is 5 centimeters.

Answer 1

18. the formula for Circumference is ‘c = 2•r•3.14’ so you would replace the variable with 5 and it would make the circumference 31.4

Answer 2

17. probally x1.5 more poeple because of death rates and birth rates.

Explanation: