Question

Identify the number as rational or irrational. Explain.

291.87

Answer 1

Can this number be written as an integer/integer?

Answer 2

i have no idea

Answer 3

If so it it rational
If not it is irrational

Answer 4

291 87/100

Answer 5

So based on what radar posted what conclusion can you draw?

Answer 6

i dont even understand what he put i dont even understand the question

Answer 7

Basically it is asking if you can write it as an integer over and integer or not

Answer 8

\[\text{ example } 21.23 \text{ is rational because } 21.23=\frac{2123}{100} \]

Answer 9

2123 and 100 are integers

Answer 10

10.421=10421/1000 is rational too

Answer 11

so another words it rational because its equivalent to a fraction

Answer 12

a fraction that is only composed of integers
integers are {...,-3,-2,-1,0,1,2,3,...}

Answer 13

wow im confused

Answer 14

an example of irrational is
2.533333343536346346436346363634564352345325235....
keeps going and has no pattern

Answer 15

your number terminates so it is rational

Answer 16

if the decimal part has a pattern it would also be rational since it can be written as an integer over an integer

Answer 17

just like one that terminates can be written as an integer over an integer

Answer 18

pattern or terminates=> rational

Answer 19

no pattern and forever never ending=>irrational

Answer 20

is that less complicated?

Answer 21

Some irrational numbers are pi, the square root of 2, and many others.

Answer 22

yes thank you

Answer 23

Good luck with these, you will find irrational things in life. They are real, but can't be expressed exactly.