Question

· If 3 to the power n= 27, then 3to the power n-2 equals :
(a) 3
(b) 0
(C) 1
(d) 9​

Answer 1

Answer:

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To Find :

3 n−2 =3 n ×3 −2

Step by step solution :

[∵a m+n =a m×a n ] = 3 23 n

[∵a −m = a m1 ]

⟹3 n−2 = 9 27

Thus, 3 n−2 =3

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Answer 2

Step-by-step explanation:

❤ ${3}^{n}$ = 27

❤ ${3}^{n-2}$ = 3

Proof :-

$= > \frac{ {3}^{n} }{ {3}^{2} }$

$= > \frac{27}{9}$

• (a) 3 ✅