Respuesta :
90 is the nearest 10. You round up at 5 and above, you round down from 1 to 4.
Simple...
you have 87
if you look at the number in the tens place (8) and if you see the number behind it, in the ones place (7) is bigger than 5 round up.
90
Thus, your answer.
you have 87
if you look at the number in the tens place (8) and if you see the number behind it, in the ones place (7) is bigger than 5 round up.
90
Thus, your answer.
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