Respuesta :

Answer:

30

Explanation:

because the number after 23 is greater than 5 .

Answer:

2390

Explanation:

Since they are asking for the nearest tens, you should focus on the ones. If it is 5 and above, it rounds up to the next tens. If it is 4 and below, it rounds to the least nearest ones of the tens (I don't really know how to explain the round down)

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