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Sagot :

Answer:

Option B

Step-by-step explanation:

Question 7

1). √14 + 6.2 < 3π - 8.2

   Since, 14 is the nearest whole square number to 16

   √14 ≈ √16 ≈ 4

   Similarly, π ≈  3.14 ≈ 3

   By substituting these approximate values in the inequality,

   4 + 6.2 < 3(3) - 8.2

   10.2 < 9 - 8.2

   10.2 < 0.8

   False.

2). [tex]\frac{17}{5}+\sqrt{64}>8+\pi[/tex]

   [tex]\frac{17}{5}+8>8+\pi[/tex]

   3.4 + 8 > 8 + 3.14

   11.4 > 11.14

   True.

3). 35 - √40 > 6π

    [Since, nearest whole square integer to 40 is 36 and π ≈ 3]

    35 - √36 > 6(3)

    35 - 6 > 18

    29 > 18

    True.

Therefore, Option B is the correct option.