Rounding and Estimating Numbers

0

To round 9742 to the nearest unit, we look at the digit in the ones place, which is 2. Since 2 is less than 5, we round down. Therefore, 9742 rounded to the nearest unit is 9740.

70

3.2

7.5

103 to the nearest hundreds is 100

To round a number to the nearest billion, you need to look at the digit in the billions place. If the digit to the right of the billions place is 5 or greater, you round up; if it is less than 5, you round down. For example, if you have a number like 4,750,000,000, you would round it up to 5,000,000,000. If the number is 4,200,000,000, you would round it down to 4,000,000,000.

1400

100

15.5

67.2439

When rounding 109.47 to the nearest 0.1, you look at the digit in the second decimal place, which is 4. Since 4 is less than 5, you keep the digit in the first decimal place the same. Therefore, 109.47 rounded to the nearest 0.1 is 109.4.

Well, isn't that a happy little question! When we're looking to round 109.47 to the nearest 10, we see that it's closest to 110. Just a little nudge up the number line, like adding a touch of sunlight to a painting. Keep up the good work, my friend!

When rounding 2675 to the nearest thousand, we look at the hundreds place, which is 7. Since 7 is greater than or equal to 5, we round up. Therefore, 2675 rounded to the nearest thousand is 3000.

680

2461.76

2000

10000

Oh, dude, 37.68 rounded to the nearest whole number is 38. So, like, if you're ever in a situation where you need a nice round number and 37.68 just won't cut it, you can confidently go with 38. It's like the slightly cooler, more rounded version of 37.68.

8456.00

990

600

When rounding 1289 to the nearest thousand, we look at the hundreds place, which is 8. Since 8 is greater than or equal to 5, we round up. Therefore, 1289 rounds up to 2000 when rounding to the nearest thousand.

618.40

13.0