Answer:
The mean will be the best instrument to measure Royston's performance
Step-by-step explanation:
hope this helps
34.215 kilometers you move the decimal to the left three places because Kilo means 1000 and there are 3 zeros in 1000. you move left because Kilometer is bigger than meter.
X/1 would equal -2- square root of 11 and x2 would equal -2 plus square root of 11
-9, it is between -2 and -10 and it is the least possible integer