How many 3-digit numbers are there that are divisible either by 5. 7 or 9? <
Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Transcribed Image Text:**Problem Statement:**
How many 3-digit numbers are there that are divisible either by 5, 7, or 9?
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This problem involves finding the count of all three-digit numbers that are divisible by specific divisors: 5, 7, and 9. A 3-digit number ranges from 100 to 999. To solve the problem, one might consider using the principle of inclusion-exclusion to account for overlaps in divisibility by multiple numbers.
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