2.789 in word form and in expanded form
2 answers:
Answer:
The answers are Two and seventy hundred eighty-nine thousandths and 2.0+0.7+0.78+0.789
Step-by-step explanation:
In order to express the decimal number in its word form and in its expanded form, we have to know some notation about the position of every number.
In word form, you have to write the number in words. Every number position has a notation, both the whole number part as the decimal part.
I have attached two images that show some notations and examples about writting decimal numbers.
In expanded form, you have to separate the number in additions.
So, in this case:
Word form:
2.789= Two and seventy hundred eighty-nine thousandths
Expanded form:
2.789=2.0+0.7+0.78+0.789
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Answer:
The rational numbers are and the irrational functions are
.
Step-by-step explanation:
A rational number can be expressed in the form of , where p and q are integers and q is not equal to 0. For example
.
An irrational function can not be expressed in the form of , where p and q are integers and q is not equal to 0. For example
.
If any number is multiplied by a irrational number then the resultant number is an irrational number.
By the above definition we can conclude that:
The number is a rational number.
Therefore is an irrational number.
Therefore 6.25 is a rational number.
Therefore 0.01045 is a rational number.
The number is a rational number.
The number is an irrational number.
Therefore is an irrational number. The numbers with recursive bar are always rational numbers.
