# Write as a decimal 15 tenths 7 hundredths

Then, a more accurate measurement shows that it is Decem in Latin means ten. They are those powers in their ordinal form. Whole numbers are actually decimal numbers that are greater than or equal to zero. We will now see that the ordinal numbers express division into equal parts.

Which numbers are the decimal units?

For example, the place value of the 4 in First, we will divide One into ten equal parts, and so each part is called a Tenth. Whole units.

## Five hundredths in decimal form

To read or write numbers written in decimal notation, you need to know the place value of each digit, that is, the value of a digit based on its position within a number. First, second, third, fourth, and so on. Then, a more accurate measurement shows that it is Decem in Latin means ten. Decimals can also be used to write numbers between any two whole numbers. The sequence of names of the decimal units follows the same sequence as the powers of The place-value chart can be extended to include numbers less than one, which are sometimes called decimal fractions. One, two, three, four, and so on. What are the names of the ordinal numbers? First, we will divide One into ten equal parts, and so each part is called a Tenth. Decimal Notation Decimal numbers are numbers whose place values are based on 10s. Here we will learn about numbers that are less than 1. We will go into this more in Lesson We use that same ordinal number to name the part.

If we divide each Hundredth into ten equal parts, then each tiny piece will be a Thousandth part of One. First, second, third, fourth, and so on.

A decimal point is used to separate the whole number part of the number and the fraction part of the number.

A cardinal number answers the question How many? An ordinal number names which part -- the third part, the fourth, the fifth, and so on. Those ordinals are prior to the names of numbers we call fractions, which, we are about to see, are numbers we need for measuring, and are the parts of number 1.

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