How do you read this decimal number?

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In summary, a decimal number is a number with a decimal point that represents a fractional part. To read a decimal number, start at the left of the decimal point and read each digit individually, saying "point" before the digits to the right. The place value of a decimal number is determined by its position relative to the decimal point. To convert a decimal number to a fraction, use the place value of the last digit and simplify, if necessary. The main difference between a decimal number and a whole number is that a decimal number has a fractional part, while a whole number is an integer without fractions or decimals.
  • #1
wScott
88
0
8456.21930

This is a homework question for a friend and she can't figure it out usingher ntoes, could you guys hed some light on how to write this decimal number in words? I haven't written in decimal notation in years, so I don't know it that well myself. Thnaks for whatever help you offer.
 
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  • #2
Eight thousand, four hundred fifty six and twenty-one thousand, nine hundred thirty hundred-thousandths.
 
  • #3


I would approach reading this decimal number by breaking it down into smaller parts and understanding the significance of each part. The first step would be to identify the decimal point, which separates the whole number from the decimal part. In this case, the decimal point is between the 6 and the 2, indicating that the number is 8456 and 21930 thousandths.

Next, I would read the whole number part as "eight thousand, four hundred and fifty-six." Then, I would read the decimal part by saying "two hundred and nineteen thousand, three hundredths." Putting it all together, the number would be read as "eight thousand, four hundred and fifty-six point two one nine three zero."

It may also be helpful to think of the decimal number as a fraction where the whole number is the numerator and the decimal part is the denominator. So, 8456.21930 can be written as 8456 + (21930/100000). This can help in understanding the value of each digit in the decimal part.

I hope this explanation helps your friend in understanding how to read this decimal number. Remember, practice makes perfect, so it may be helpful for your friend to try reading other decimal numbers to become more familiar with the notation.
 

FAQ: How do you read this decimal number?

What is a decimal number?

A decimal number is a number that contains a decimal point, indicating a fractional part. It is a way of writing numbers that are not whole numbers.

How do you read a decimal number?

To read a decimal number, start at the left of the decimal point and read each digit individually. Then say "point" before reading the digits to the right of the decimal point as a fraction.

What is the place value of a decimal number?

The place value of a decimal number is determined by its position relative to the decimal point. The digit immediately to the left of the decimal point is in the ones place, while the digits to the right of the decimal point are in the tenths, hundredths, thousandths, and so on.

How do you convert a decimal number to a fraction?

To convert a decimal number to a fraction, use the place value of the last digit to write the number as a fraction, simplifying if necessary. For example, the decimal number 0.75 can be written as 75/100, which simplifies to 3/4.

What is the difference between a decimal number and a whole number?

The main difference between a decimal number and a whole number is that a decimal number has a fractional part, while a whole number does not. Whole numbers are integers, meaning they are counting numbers without fractions or decimals.

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