Final answer:
To find the smallest and greatest numbers in a set, compare each number in the set. For set a, the smallest number is 73459 and the greatest number is 7345900. For set b, the smallest number is 99910 and the greatest number is 9999999.
Step-by-step explanation:
To find the smallest and greatest numbers in a set, you need to compare each number to the others in the set. For set a, the smallest number is 73459 and the greatest number is 7345900. For set b, the smallest number is 99910 and the greatest number is 9999999.
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