8.2
4ˣ=1/16
4ˣ= (1/4²)
4ˣ = 4⁻²
х=- 2
7ˣ=1/343
7ˣ=1/7³
7ˣ=7⁻³
х = -3
1/6ˣ = 36
6⁻ˣ = 6²
- x = 2
x= - 2
0.2ˣ=0.00032
0.2ˣ = 0.2⁵
x= 5
8.3
10ˣ=
10ˣ = 10^(³/₄)
x=3/4
x= 0.75
5ˣ = 1/∛25
5ˣ = 1/∛5²
5ˣ = 1/5^(²/₃)
5ˣ = 5^(-²/₃)
x= - 2/3
0.3ˣ =
0.3ˣ = 0.3^(⁴/₄)
0.3ˣ = 0.3¹
x=1
(1/5)ˣ=25√5
(1/5)ˣ = √(625*5)
(1/5)ˣ = √5⁵
(1/5)ˣ = 5^(⁵/₂)
(1/5)ˣ = (1/5)^(-⁵/₂)
x= - 5/2
x= - 2.5