Rounding and Estimating Numbers

When rounding 2.3 to the nearest hundred, you look at the digit in the tens place, which is 0. Since 0 is less than 5, you round down. Therefore, 2.3 rounded to the nearest hundred is 0.

To round 3.23 to the tenth, look at the hundredths place (3). Since it’s less than 5, round down. So, 3.23 rounded to the tenth is 3.2.

see more nsda.gov.bd/

To determine the rate of change of the sample index over one week, you'll need to calculate the difference between the index values at the beginning and end of the week, then divide that by the number of days in the week (7). Finally, round your answer to the nearest tenth. If you provide the specific index values, I can help with the calculations.

To round 36,993 to the nearest thousand, you look at the hundreds digit, which is 9. Since 9 is 5 or greater, you round up the thousands place from 36,000 to 37,000. Therefore, 36,993 rounded to the nearest thousand is 37,000.

12, a whole number.

56.8

Europium (Eu) has an atomic weight of approximately 151.96. When rounded to two decimal places, it remains 151.96. If rounded to the nearest whole number, it would be 152.

9.850 rounded to the nearest tenth is 9.9. When rounding, you look at the digit in the hundredths place, which is 5 in this case. Since 5 is equal to or greater than 5, you round up the digit in the tenths place from 8 to 9.

15.41 rounded to the nearest hundredth is 15.41. Since the number is already in the desired format with two decimal places, no changes are needed.

To round 538152 to the nearest hundred thousand, look at the digit in the ten thousand place, which is 3. Since 3 is less than 5, we round down, resulting in 500000. Therefore, 538152 rounded to the nearest hundred thousand is 500000.

The number 0.234 rounds to the hundredth place as 0.23. Any numbers that fall within the range of 0.225 to 0.234 would round to 0.23 when rounded to the hundredth. This includes numbers like 0.225, 0.226, 0.227, 0.228, 0.229, 0.230, 0.231, 0.232, and 0.233.

410000

If you round 6245 to the nearest thousand, you look at the hundreds digit, which is 2. Since 2 is less than 5, you round down. Therefore, 6245 rounded to the nearest thousand is 6000.

To round 16.107 to the nearest hundredth, you look at the third decimal place, which is 7. Since 7 is greater than 5, you round the second decimal place (0) up by one. Therefore, 16.107 rounded to the nearest hundredth is 16.11.

The number 58605 is nearest to the thousand 59000. When rounding to the nearest thousand, you look at the hundreds digit, which is 6 in this case. Since 6 is 5 or greater, you round up to 59000.

To round 4397 to the nearest ten, you look at the digit in the ones place, which is 7. Since 7 is 5 or greater, you round up the tens place digit (9) by one. Therefore, 4397 rounded to the nearest ten is 4400.

18000

5882

190

Rounding involves adjusting a number to a nearby value that is easier to work with, typically to a specific place value, such as rounding 47 to 50. Compatible numbers, on the other hand, are numbers that are chosen to make mental calculations easier and are often used in estimation; for example, using 50 and 20 instead of 47 and 19. While rounding aims for simplicity by reducing specificity, compatible numbers focus on creating numbers that are easy to manipulate in calculations. Both techniques are useful for estimation but serve different purposes in simplifying numbers.

To round 78060 to the nearest thousand, we look at the hundreds digit, which is 0. Since it is less than 5, we round down. Therefore, 78060 rounded to the nearest thousand is 78000.

To round 286 to the nearest ten, you look at the digit in the ones place, which is 6. Since 6 is 5 or greater, you round up the digit in the tens place (8) by one, making it 9. Therefore, 286 rounded to the nearest ten is 290.

To round 3.7 to the nearest whole number, you look at the digit in the tenths place, which is 7. Since 7 is greater than or equal to 5, you round up. Therefore, 3.7 rounded to the nearest whole number is 4.

0.93 rounded to the nearest whole number is 1. If rounding to one decimal place, it remains 0.9. If rounding to two decimal places, it stays as 0.93.

Throwing a stone at a target with one eye closed can significantly affect accuracy due to the loss of depth perception and peripheral vision. As the distance to the target increases, the challenge of estimating the distance and trajectory becomes greater, leading to reduced accuracy. Research suggests that aiming with one eye can decrease performance, especially beyond short distances, as spatial judgment relies heavily on binocular vision. Overall, accuracy diminishes as the distance increases and the limitations of monocular vision become more pronounced.