Which star-marked tooth number is the second smallest?

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Multiple Choice

Which star-marked tooth number is the second smallest?

Explanation:
Focus on ordering numbers from smallest to largest to find the second position. When the options are arranged in ascending order, they are 4, 10, 18, 31. The star-marked tooth corresponds to the number that sits in the second position in this sequence, which is 10. Therefore, it is the second smallest. The remaining numbers are either the smallest (4) or larger than the second smallest (18 and 31), so they’re not the correct second smallest.

Focus on ordering numbers from smallest to largest to find the second position. When the options are arranged in ascending order, they are 4, 10, 18, 31. The star-marked tooth corresponds to the number that sits in the second position in this sequence, which is 10. Therefore, it is the second smallest. The remaining numbers are either the smallest (4) or larger than the second smallest (18 and 31), so they’re not the correct second smallest.

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