Question

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with step by step explanation.
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Answer 1

Answer:

hope it helped

Step-by-step explanation:

QUE 1 “Five rational numbers” between 2 and 3 are : 2.5, 2.25, 2.125, 2.75, 2.875 .

To find:

“5 rational numbers” between 2 and 3 using the mean method

Solution:

A “rational number” is a number which of the form a/b where a and b are integers.

Number 1: Take the “average of 2 and 3”  

$\frac{2+3}{2} =\frac{5}{2} = 2.5$

Number 2: Take the “average of 2 and 2.5”

$\frac{2+2.5}{2} }= \frac{4.5}{2} = 2.25$

Number 3: Take the “average of 2 and 2.25”

$\frac{2+4.5}{2} }= \frac{4.25}{2} = 2.125$

Number 4: Take the “average of 3 and 2.5”

$\frac{3+2.5}{2} }= \frac{5.5}{2} = 2.75$

Number 5: Take the “average of 3 and 2.75”

$\frac{3+2.75}{2} }= \frac{5.75}{2} = 2.875$

Thus, “5 rational numbers” between 2 and 3 are : 2.5, 2.25, 2.125, 2.75, and 2.875

QUE 2. the no.s are -3/11 and 8/11

the numbers between it are

• -2/11
• -1/11
• 0
• 1/11
• 2/11
• 3/11
• 4/11
• 5/11
• 6/11
• 7/11

the rational no.s btw -3/11 and 8/11 are above