Răspuns :
3. 5^213^0=5¹=5
5^213^0<5²⁷<5⁷²<5⁷⁹<5⁸¹
4. a) a=2×2²⁹-4¹⁵
a=2³⁰-4¹⁵
a=2³⁰-(2²)¹⁵
a=2³⁰-2³⁰
a=0
b) b=(9⁴)³:27⁸
b=9¹²:27⁸
b=(3²)¹²:(3³)⁸
b=3²⁴:3²⁴
b=1
c) a<b
Răspuns:
5
[tex] {5}^{21} \\ {5}^{72} \\ {5}^{79} \\ {5}^{81} \\ {5}^{213 {0}^{} } [/tex]
4.a) a=0
b) b=1
c)a<b
0<1