La Miranda 4ESO logaritmes

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/(z^1/2t⁵)

A) 2+3log₂(x)+2log₂(y)-1/2log₂(z)-5log₂(t)
B) 2+3log(x)+2log(y)-1/2log(z)-5log(t)
C) 2+3log(x)+2log(y)-1/2log(z)+5log(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/(t³-z)
B) 2x/(3tz)
C) x²-t³-z
D) x²/(t³z)

18. Pren antilogaritmes a: 2log(x)-3log(t)+log(z)-3

A) x²z/t³-3
B) x²z/(t³-3)
C) x²z/(t³-1000)
D) x²z/1000t³

19. El logaritme base 10 de 0.00067, tindrà com característica:

A) -4
B) -5
C) -2
D) -3

20. El logaritme base 10 de 12345

A) 5
B) 4
C) 2
D) 3

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