# What is 9.9 Rounded to the Nearest Tenth?

Rounding numbers is a mathematical concept that allows us to simplify numbers for easier calculation. When rounding to the nearest tenth, we take a decimal number and round it to the nearest decimal place. This means that all numbers with a decimal point ending in a number greater than or equal to five are rounded up, while all numbers with a decimal point ending in a number less than five are rounded down. For example, 9.9 rounded to the nearest tenth would be 10.0.

## Why Round Numbers? Rounding numbers is often used to simplify calculations and make them easier to understand. For example, when adding or subtracting numbers, it can be difficult to keep track of all the decimal points. Rounding helps us to cut down on the amount of time and effort needed to do calculations. It also helps us to avoid making mistakes when dealing with long numbers.

## How to Round to the Nearest Tenth? When rounding to the nearest tenth, the general rule is to look at the digit to the right of the decimal point. If it is five or greater, round up. If it is less than five, round down. This means that 9.9 rounded to the nearest tenth would be 10.0, since the digit to the right of the decimal point is nine and it is greater than five.

## Examples of Rounding to the Nearest Tenth Here are some more examples of how to round to the nearest tenth: 8.4 would be rounded down to 8.3, 9.3 would be rounded up to 9.4, 5.6 would be rounded down to 5.5, and 6.5 would be rounded up to 6.6. As you can see, the general rule of thumb is to look at the digit to the right of the decimal point and round up or down depending on its value.

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Rounding numbers is a useful skill to have when dealing with long numbers or calculations. When rounding to the nearest tenth, the general rule is to look at the digit to the right of the decimal point. If it is five or greater, round up. If it is less than five, round down. This means that 9.9 rounded to the nearest tenth would be 10.0. Knowing how to round is a great way to make calculations and other math problems easier and less time-consuming.