Question

if 10^2x=25 then find the value of 10^-x​

Answer 1

Answer:

it will be solve like this

hope it will help you ✌

Step-by-step explanation:

Given, 3

4x−2

=729

⇒3

4x−2

=3

6

As the base are equal, powers must be equal.

Therefore, 4x−2=6

Add 2 on both the sides, we get

4x−2+2=6+2

4x=8

x=2

Answer 2

Answer:

1/5

Step-by-step explanation:

10^2x=25

or,(10^x)^2=25

or,10^x=√25=5

Now,10^x=5

or,10^-x=5^-1

or,10^-x=1/5