Problem 34 Round number to the nearest whol... [FREE SOLUTION]

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Chapter 1: Problem 34

Round number to the nearest whole number. 35.4

Short Answer

Expert verified

35 rounded to the nearest whole number is 35.

Step by step solution

Identify the Decimal Portion

Look at the number 35.4 and identify the decimal part. Here, the decimal portion is 0.4.

Determine Rounding Rule

According to rounding rules, if the decimal is 0.5 or greater, round up. If the decimal is less than 0.5, round down.

Apply Rounding

Since 0.4 is less than 0.5, we round down the whole number portion (35) stays the same.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Understanding Decimal Numbers

Decimal numbers are numbers that have a whole number part and a fractional part, separated by a decimal point. For instance, in the decimal number 35.4, 35 is the whole number part and 0.4 is the fractional part. These numbers are called 'floating point' numbers because they can represent values between integers.
Decimals are used in various real life applications such as dealing with money, measuring distances, or measuring time.
These numbers give us the precise value of a quantity, making them very useful in situations where exactness is crucial.

What Are Whole Numbers?

Whole numbers are simple numbers with no fractional or decimal parts. They include zero and all positive integers like 1, 2, 3, and so on. Unlike decimals, whole numbers do not include fractions.
Whole numbers are used in daily counting and simple quantitative assessments. For example, if you're counting apples, you can't have 1.5 apples but only whole numbers like 1 apple or 2 apples.

They are often used for straightforward counting or listing.
Whole numbers start from zero and continue infinitely.

Being familiar with whole numbers is foundational to understanding more complex math concepts.

Rounding Rules Explained

Rounding is a method used to approximate a number to make it simpler and closer to other numbers that are easier to work with. The standard rule for rounding involves looking at the decimal portion:
- If the decimal part is 0.5 or greater, we 'round up' by increasing the whole number part by one.
- If the decimal part is less than 0.5, we 'round down', leaving the whole number part unchanged.
This method simplifies numbers, making them easier to use in calculations or discussions. For instance, following these rules, 35.4 rounds down to 35 because 0.4 is less than 0.5. Understanding and applying these rules helps keep the results of our calculations more practical and clear.

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91影视

Round number to the nearest whole number. 35.4

Short Answer

Step by step solution

Identify the Decimal Portion

Determine Rounding Rule

Apply Rounding

Key Concepts

Understanding Decimal Numbers

What Are Whole Numbers?

Rounding Rules Explained

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