Question

the rational number between -4/5 and -2/3​

Answer 1

Answer:

$\huge\underbrace\mathfrak\red{Answer:-}$

Archimedes, about 2300 years ago, showed that the rational number is greater than, so it is a potential candidate. Let’s see if it’s less than . We can do that by seeing if it’s square is less than .

.

So it looks like the very common rational approximation of is in fact a rational number between and .

By the way, it appears that the second most common rational approximation of , namely , is also greater than , so forms a second answer to this question, with .

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Answer 2

Answer:

Mean of two numbers always lies between the two numbers.

Mean

=

2

(

10

−9

+

5

4

)

=(

10

−9

+

5

4

)×

2

1

.

Step-by-step explanation:

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