The sum of the values is 5329 . When rounded to the nearest thousand unit, we have 5000.
Using the expression given for our Calculation;
Taking the sum :
515 + 4814 = 5329
Rounding to the nearest thousand unit;
Taking the first digit and Rounding all other, since 3 is less than 5 , we round all other values to 0.
Hence, we have 5000.
Complete Question:
Calculate 515 + 4814 then estimate to the nearest thousand unit.