Best Answer

Subtraction by rounding is making the terms simpler to subtract. Turn 18.9 into 19. 0.1 was added, so later 0.1 needs to be subtracted. Now it is 34.4-19.

34.4-19=15.4.

Now subtract the 0.1.

15.4-0.1=15.3

The answer is 15.3.

Q: What is 34.4-18.9 by rounding?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

20 rounding units. 20.0 rounding tenths 19.8 rounding hundredths 19.76 rounding thousandths 19.765 rounding tenthousandths 19.7649 rounding hundred thousandths

If you are rounding to 100ths it is 1.73 . If you are rounding to 10ths it is 1.7 . If you are rounding to integers it is 2 .

The process of rounding is the same no matter what place you're rounding to.

Rounding is a form of estimation.

-- If rounding to the nearest 300, then 749 is. -- If rounding to the nearest 200, then 699 is. -- If rounding to the nearest 150, then 674 is. -- If rounding to the nearest hundred, then 649 is. -- If rounding to the nearest twenty, then 609 is. -- If rounding to the nearest ten, then 604 is.

Related questions

20 rounding units. 20.0 rounding tenths 19.8 rounding hundredths 19.76 rounding thousandths 19.765 rounding tenthousandths 19.7649 rounding hundred thousandths

It depends on what you are rounding by. If you are rounding by ten-thousands=80000 If you are rounding by thousands=85000 If you are rounding by hundreds=84700 If you are rounding by tens=84650

That depends on how you are rounding: Rounding up = 6.33 Rounding down = 6.32 Rounding nearest = 6.32

That would depend on what you were rounding it to. If rounding to the nearest whole number, then it does not need rounding. If rounding to the nearest ten, it would be 420. If rounding to the nearest hundred, it would be 400.

rounding is an example of a guess .

Rounding to odd.

Depends on where you are rounding it to.4.4096031364.409603144.40960314.4096034.409604.40964.4104.414.44.

If you are rounding to 100ths it is 1.73 . If you are rounding to 10ths it is 1.7 . If you are rounding to integers it is 2 .

You can calculate 3444 times 670 without rounding or you can estimate it WITH rounding. But you cannot estimate it without rounding.

Rounding factors can lead to underestimates or overestimates: the outcome depends on the rounding.

Depends on what you are rounding to. Rounding to the nearest whole number, it is 10. Rounding to the nearest tens, it is still 10. Rounding to the nearest hundred, it is zero.

The process of rounding is the same no matter what place you're rounding to.