FIND MEASURE OF ANGLE DEF

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319