Round 75 to the nearest ten
Rounding is a fundamental mathematical operation that involves approximating a number to a certain degree of accuracy. One of the most common types of rounding is rounding to the nearest ten, which involves approximating a number to the nearest multiple of ten. In this article, we will discuss how to round 75 to the nearest ten, and provide a step-by-step guide to help you understand the process.
What is Rounding?
Rounding is a mathematical process that involves approximating a number to a certain degree of accuracy. This operation is used when we need to simplify a number or make it easier to work with. Rounding is typically performed by replacing a number with another number that is close to it in value but has fewer digits. The resulting number is usually easier to work with, as it is simpler and more manageable.
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How to Round 75 to the Nearest Ten
Rounding 75 to the nearest ten involves approximating 75 to the nearest multiple of ten, which is either 70 or 80. To do this, we need to examine the digit in the tens place, which is 7 in the number 75. If the digit in the tens place is 5 or greater, we round up to the nearest ten; if it is less than 5, we round down to the nearest ten. In the case of 75, the digit in the tens place is 7, which is greater than 5. Therefore, we round up to the nearest ten, which is 80.
Step-by-Step Guide to Rounding 75 to the Nearest Ten
- Identify the digit in the tens place - The number 75 has a 7 in the tens place.
- Determine whether to round up or down - Since the digit in the tens place is greater than 5, we need to round up to the nearest ten.
- Replace the digit in the ones place with a 0 - When we round 75 up to the nearest ten, the resulting number is 80.
The final result is 80 - After rounding 75 to the nearest ten, we get the answer 80.
Why Round 75 to the Nearest Ten?
Rounding 75 to the nearest ten is useful in situations where we need to simplify the number or approximate it to a certain degree of accuracy. For example, if we are estimating the number of people attending an event, we may round the number of attendees to the nearest ten for ease of calculation. Rounding can also be used in scientific calculations, such as when working with measurements or probabilities.