The first 3 digit multiple of 5 is 100; the last is 995. A = 100 and An = 995 (Sorry, but I don't know how to type subscripts on Quora.) In the sequence 100, 105, 110, 115, 120, …, 995, 995 would be the 180th term. That implies that there are 180 3-digit numbers that are divisible by 5.
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Answer:
The first 3 digit multiple of 5 is 100; the last is 995. A = 100 and An = 995 (Sorry, but I don't know how to type subscripts on Quora.) In the sequence 100, 105, 110, 115, 120, …, 995, 995 would be the 180th term. That implies that there are 180 3-digit numbers that are divisible by 5.
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