Question

If 3n= 81. then find the value of 5n is *​

Answer 1

$\bf 3n = 81$

$\bf n = \frac{81}{3}$

$\bf n = 27$

$\bf 5n = 5 \times 27 = \underline{ 135}$

hope it helps!

Answer 2

Given:

• 3n = 81

To find:

• Find the value of 5n.

Answer:

Given 3n = 81. Then, n = ?. So, we will find n value.

Hence, 3n = 81

n = 81/3

n = 27

So, we get n = 27. So, 5n = 5(27) = 135.

Hence, 5n = 135.

Let's Verify:-

We find that n = 27.

Hence, 3(27) = 81

81 = 81

L.H.S = R.H.S