Question

How many integers between 100 and 400 contain the digit 2?

Answer 1

102, 112, 120-129, 132, 142, 152, 162, 172, 182, 192, 200-299, 302, 312, 320-329, 332, 342, 352, 362, 372, 382, 392
2+10+7+100+2+10+7
138 integers.

Answer 2

Answer:

138

Step-by-step explanation:

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