Answer:
33.
Step-by-step explanation:
In order to find range, you must subtract the largest amount given by the smallest amount. In this case, it would be 94-61=33.
I would say a but not 100% sure.
√64 = 8
64÷1000 = 0.0064
8÷1000=0.0008
√0.0064 = 0.0008