Are you asking us to 'round' 42 to the nearest ten ?
Well, the next bigger ten is 50, and the next smaller ten is 40 .
42 is nearer to 40 than it is to 50, so if you want it rounded to the nearest 10, then it has to be 40 .
When rounding 42 to the nearest ten, we find that it is closer to 40 than to 50. Thus, 42 rounds down to 40 . The answer is 40 .
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