alivelop.blogg.se - Math 17500. basic number theory

Let us now discuss rounding off large numbers to the nearest 10. Rounding large numbers to the nearest ten

Rounding Down – Rounding down means the round off the given number to the previous whole number.

Rounding Up – Rounding up means the round off the given number to the next whole number.

It can be done for whole numbers as well as for decimals. Rounding off is a type of estimation where a number is made simpler by keeping its value intact but closer to the next number. Even the numbers having digits in the place value of thousands and ten thousand are considered larger numbers. For instance, one million, one billion etc. Large numbers are the term that is used to refer to larger numbers that are not used in everyday life. This means we can round off numbers to the nearest place value, say 10, 100, 1000 etc. This does not mean that exactly 200 people will attend the event.

It can be a rough estimate of the number of people say 200. Another example can be if you plan an event at home you can just estimate the number of guests that are supposed to attend the event. Rounding off is also termed as a shortcut method. The exact number of students in the school may be somewhere around 600 which, for convenience, we have rounded off to 600. That does not necessarily mean that there are exactly 600 students in a school. For instance, we may say that there are around 600 students in a school. It helps us give approximate answers where exact values are not required. In other words, in order to ease our calculations, we often approximate the numbers to some extent. In general, we need not state the exact number as an answer to the question which requires us to tell about how many. Numbers are very commonly used in our day to day life.

Some more Example on Rounding Large Numbers.

Rounding large numbers to the nearest thousand.

Rounding large numbers to the nearest hundred.Rounding large numbers to the nearest ten.