How to evaluate the below:

1) 6^-1 + 3-²

2) 3⁰ + (1/4)² -2^-3

c) (2/3)^-2 - (3/4)^-1

How do I solve this using the stated common base

1) 3^2x-1 = 243 common base 3

2) 25^x = 1/25 common base 5

3) 4^x+2 = 1/8 common base 2

How to solve for each variable

1) x^2/3 = 4

2) f^4/5 = (1/81)

How to simplify and write each with postive indices

a) ( y^1/8 )^-3 ( y⁵) ^1/6

b) f^-3/4 / f^-5/6

How to show in clear steps without the use of calculator the evaluation of:

(81/16)^-3/4

How to express in exponent form using the stated base

2187⁵ using base 3

2401³ using base 7

7776⁴ using base 6

3125⁷ using base 5