Answer:
5 is the median
Step-by-step explanation:
The "median" is the "middle" of the set of numbers. Considering there are 13 total numbers, making it un-even, there can be an equal amount of numbers taken off of each side with a middle number remaining. That middle number will be your median..
Rounding 2 SF would give you 19
Commutative Property (also works for associative) - 6,000 * 70 and 70 *6000