Question

Round off the nearest tens and find the actual and estimate sum of 126 and 311

Answer 1

Hey there!

Rounding off 126 = 130

Rounding off 311 = 310 .

Actual sum = 126 + 311 = 437.

Estimated sum = 130 + 310 = 440 .

Hope helped!

Answer 2

Answer:

Estimated sum = 130 + 310 = 440

Actual sum = 126 + 311 = 437.

Step-by-step explanation:

Given : Numbers 126 and 311

To find : The actual sum and estimated sum

Solution :

Round off the number means

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up.

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.

So, according to question rounding the number nearest tens

Rounding off 126 = 130  

Rounding off 311 = 310 .

Estimated sum = 130 + 310 = 440

Actual sum = 126 + 311 = 437.