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La Miranda 4ESO logaritmes
Contributed by: Rodriguez Barrera
  • 1. log2 (8)=
  • 2. log3 (243)=
  • 3. log(100)=
  • 4. log_x (36)=2; x=
  • 5. log(0.1)
  • 6. log(0.0001)
  • 7. log_x (e)=1; x=
  • 8. log3 (9)+log2 (8)=
  • 9. log(100)-log(0.001)
  • 10. 2log_x (100)=2; x=
  • 11. log7 (x)=1; x=
  • 12. log2 (x)=0; x=
  • 13. 2+log(x)+log3 (x)=2; x=
  • 14. 3ln(x)-1=-1; x=
  • 15. 3ln(x)=3; x=
  • 16. Aplica logaritmes a la expressió: A=100x3y2/(z1/2t5)
A) 2+3log(x)+2log(y)-1/2log(z)+5log(t)
B) 2+3log(x)+2log(y)-1/2log(z)-5log(t)
C) 2+3log2(x)+2log2(y)-1/2log2(z)-5log2(t)
D) 2+3+log(x)+2+log(y)-1/2+log(z)-5-log2(t)
  • 17. Pren antilogaritmes a: 2log(x)-3log(t)-log(z)
A) x2/(t3z)
B) x2-t3-z
C) x2/(t3-z)
D) 2x/(3tz)
  • 18. Pren antilogaritmes a: 2log(x)-3log(t)+log(z)-3
A) x2z/(t3-1000)
B) x2z/(t3-3)
C) x2z/t3-3
D) x2z/1000t3
  • 19. El logaritme base 10 de 0.00067, tindrà com característica:
A) -3
B) -2
C) -4
D) -5
  • 20. El logaritme base 10 de 12345
A) 3
B) 4
C) 5
D) 2
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