Sabendo que log 2 = 0,30 e log 3 = 0,47, então log 18 vale:
SE LIGA 3B

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•
Mathematics
•
3rd Grade
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
18
log 9
0,77
6
1,24
2.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
calculando mentalmente log 4 + log 25 + log 10 , temos:
log 39
39
log 3
1000
3
3.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
0
3
6
27
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Quantos termos tem a P.A ( 1, 6 , 11, ......, 4301) ?
4301
861
430
301
86
5.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
1
2
3
5
6.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Um avião decola , percorrendo uma trajetória retilínea , formando com o solo um ângulo de 30 graus ( suponha que a região sobrevoada pelo avião seja plana). Depois de percorrer 1000 metros , a altura atingida pelo avião , em metros, será:
( use seno de 30 graus igual a 0,5)
600m
500m
400m
300m
7.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
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