
notação científica
Authored by Silvia Fernandes
Mathematics
8th Grade
Used 69+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A decomposição decimal do número 0,0357 é:
(Ricardo/Rúben)
3x10-1+5x10-2+7x10-3
3x102+5x103+7x104
3x10-2+5x10-3+7x10-4
3x10-3+5x10-2+7x10-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A decomposição decimal do número 3747,004 é:
(Ângelo/Daniel)
3x104+7x103+4x102+7x101+4x100
3x103+7x102+4x101+7x100+4x10-1
3x103+7x102+4x101+7x100+4x10-3
3x103+7x102+4x101+7x100+4x10-2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4x104+6x104 é igual a:
(Raquel/Luís Torrão/Lourenço)
404+604
105
106
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5x103+3x102+1x10-2 é igual a:
(Inês/José/Diogo Machado)
5300,01
50300,01
5300,002
50300,002
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( 2 + 1312 x 412 : 1211 )2 é igual a:
(Afonso)
28
16
178
196
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Em Britsbi há 3 escolas; em cada escola há salas; em cada sala há 20 cadeiras. Quantas cadeiras há nas escolas de Britsbi?
(Afonso)
840
2442
2940
420
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número 930000 escrito em notação científica é:
(Raquel/Lourenço/Luís Torrão)
93x104
930x103
9,3x105
9,3x104
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