Respuesta :

Answer:

320

Step-by-step explanation:

9 rounds up so that is 20

Answer:

320

Step-by-step explanation:

In this case, the number that is in the "tens" position is the number 1.

Because the number in the "ones" position (to the right of the tens position) has a value larger than 5, this tells us we have to round the number 1 UPWARDS to the next largest value, which is 2

See attached for reference on place values.

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