Basically it is asking you to be able to read what a decimal number is. I will give you some examples:
0.5 is 5/10 or 'five tenths'
0.21 is 21/100 or 'twenty one one hundredths'
0.003 is 'three one thousandths' or 3/1000
So, 43.867 is 'fourty three and eight hundred and sixty seven one thousandths' or 43 867/1000
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To write the word name for the decimal 70.07, you would start by reading the whole number part, which is 70. This is read as "seventy." Next, you would say "and" to represent the decimal point, followed by the fractional part. In this case, the fractional part is 07, which is read as "seven hundredths." Therefore, the word name for the decimal 70.07 is "seventy and seven hundredths."
The name of such a number is a decimal number. The digits after the decimal point represent tenths, hundredths, thousandths, and so on.
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. If it does not contain a fractional part then the decimal representation does not require a decimal point. The name is derived from "deci" which means pertaining to ten.
Thirty-seven hundredths.
Sixty-one thousandths