Answer:
a. Find the largest and smallest numbers and then subtract the smallest from the largest number.
b. 52
Step-by-step explanation:
Range Definition: Difference between largest and smallest numbers.
1. Find the largest and smallest numbers;
Biggest: 17|5 (175)
Smallest: 12|3 (123)
2. Subtract the smallest number from the largest number;
175 - 123 = ?
? = 52
