Explain how you would round the number 33 and 89 to estimate their sum

You can round numbers based on what number they are closer to.

In example, for the number 33, you would be either rounding to 30 or 40. Since 33 is closer to 30, you would round that to 30.

Between 80 and 90, 89 is closer to 90.

You could then add 90 and 30 to get 120, and then estimate that 33+89 is also around 120.

Hope this helps! :)

When rounding:

- If the following number is less than 5, the previous number remains the same.

- If the following number is 5 or greater, the previous number increases by 1.

Therefore, you would round 33 to 30 since the following number after 3 is 0. 89 would round to 90 since the number following 8 is greater than 5.

30+90=120

The estimated sum would come out to 120.

sorry i need the points

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i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.