Question

Estimate the value of (18,255 + 1347 + 12,540) by rounding off each of the numbers to the nearest ten.

Answer 1

Answer:

Round off to 10 for 1289 is 1280 or 1290 but nearest to 1289 is 1290.

⇒ So, round off to the nearest 10 is 1290.

⇒ Round off to 100 for 1289 is 1200 or 1300 but nearest to 1289 is 1300.

⇒ So, round off to the nearest 100 is 1300.

⇒ Round off to 1000 for 1289 is 1000 or 2000 but nearest to 1289 is 1000.

⇒ So, round off to the nearest 1000 is 1000.

∴ The answer is 1290,1300,1000.

Answer 2

Answer:

32,150

Step-by-step explanation:

Numbers rounded to nearest 10:

18,255 --> 18,260

1347 --> 1350

12,540---> Already a ten.

18,260 + 1350 + 12,540 = 32,150.

So, your answer is 32,150.