How do you estimate the sum of 198,260+31,900?

To estimate an amount to the tenth we have 3 steps to follow: ...

STEP 2: We add the rounded numbers. ...

STEP 1: Round the summands.

STEP 2: Add the rounded numbers.

STEP 3: Look at the total amount of rounding.

We have rounded the two summands down.

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.