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120 times
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the national bird of Eswatini (formerly known as Swaziland) is the Purple-crested Turaco (Tauraco porphyreolophus). This colorful bird with its distinct plumage and crest is considered a symbol of the country's natural beauty and biodiversity. However, please note that national symbols can change over time

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To count how many times the digit 3 appears in the numbers from 300 to 400, we need to consider each position individually:

1. Hundreds digit: The digit 3 appears as the hundreds digit in numbers from 300 to 399, a total of 100 times.

2. Tens digit: The digit 3 appears as the tens digit in numbers from 30 to 39 (inclusive), a total of 10 times.

3. Units digit: The digit 3 appears once in the numbers 303, 313, 323, 333, 343, 353, 363, 373, 383, 393. Therefore, it appears 10 times.

Adding these up, we get:

100 (hundreds digit) + 10 (tens digit) + 10 (units digit) = 120

So, Mohsen wrote the number 3 a total of 120 times.
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Mohsen wrote the number 3 a total of 120 times from 300 to 400 on the piece of paper.
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So in total ,the digit "3" appears 100+100+1= 201 times. Therefore, Mohsen wrote the digit "3"  201 times
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Mohsen wrote the number 3, 120 times between 300 to 400.
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