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How can you use place value to subtract?
Your guess is as good as mine. I need help also!
Why must you line up the decimal points when adding and subtracting fractions?
You have to line them up,because if you don't most likely your answer will be incorrect. Also, to keep each place value in the same column so when you add or/and subtract you make mistakes.
What is the place value of 8 in 3,116.852?
8 is in ones place and its place value is 8. Understanding the place value of digits in numbers helps in writing numbers in their expanded form. For instance, the expanded form of the number above, 13548 is 10,000 + 3,000 + 500 + 40 + 8.
Is the roman numeral system a place value system?
No, the Roman numeral system is not a place value system. In the Roman numeral system, each individual symbol represents a specific value, and there is no concept of place value. Place value systems, such as the decimal system, rely on the position of digits within a number to determine their value.
When adding or subtracting decimals how can you be sure to add or subtract only digits that have the same place value?
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
