10^3 has what place value?

Which of the following tables represents exponential functions?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.