Răspuns:
9)b.5^35=5*5^34
3*2^68=3*(2^2)^34=3*4^34
(1)5>3
(2)5^34>4^34 exponenti egali,baze diferite din(1),(2)⇒5*5^34>3*2^68
c.2^79=2^2*2^77=4*(2^7)^11=4*128^11
3*5^34=3*5*5^33=15*(5^3)^11=15*125^11
15*125^11<4*128^11⇒3*5^34<2^79
11)a.3^73=3^(71+2)=3^71*3^2=3^71*9
2^74=2^(71+3)=2^71*2^3=2^71*8
2^74<3^73
Explicație pas cu pas:
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Răspuns:
9)b.5^35=5*5^34
3*2^68=3*(2^2)^34=3*4^34
(1)5>3
(2)5^34>4^34 exponenti egali,baze diferite din(1),(2)⇒5*5^34>3*2^68
c.2^79=2^2*2^77=4*(2^7)^11=4*128^11
3*5^34=3*5*5^33=15*(5^3)^11=15*125^11
15*125^11<4*128^11⇒3*5^34<2^79
11)a.3^73=3^(71+2)=3^71*3^2=3^71*9
2^74=2^(71+3)=2^71*2^3=2^71*8
2^74<3^73
Explicație pas cu pas: