Question

.......maths question​

Answer 1

Answer:

$\huge\orange{3}$

Step-by-step explanation:

According to the Q,

$> > {5}^{2n} \times {5}^{3} = {5}^{9}$

Using Law of Exponents:

$> > {5}^{2n + 3} = {5}^{9}$

_________________________________

On Equating the Powers:

$> > 2n + 3 = 9$

$> > 2n = 9 - 3$

$> > 2n = 6$

$> > n = \frac{6}{2}$

$\orange {> > n = 3}$

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Answer 2

Answer:

5  

2n

×5  

3

=5  

9

 

⇒5  

2n+3

=5  

9

 

By equating powers

⇒2n+3=9

⇒2n=9−3

⇒n=  

2

6

​  

=3

Step-by-step explanation: