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adelina 88 [10]
2 years ago
12

The digit 7 appears twice in the product.

Mathematics
1 answer:
Bogdan [553]2 years ago
7 0

Answer:

The numbers in which 7 appears are. 7, 17, 27, 37, 47, 57, 67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 87, 97, 107. So, counting all. ∴ Number of times 7 appears = 21

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