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QCM1 : notation scientifique et conversions

Authored by G Roux

Science, Mathematics, Physics

2nd Grade

Used 9+ times

QCM1 : notation scientifique et conversions
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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 1 : écrire en notation scientifique 3245,25

3,24525×10−33,24525\times10^{-3}  

3,24525×1033,24525\times10^3  

3,24525×1023,24525\times10^2  

32,4525×10−332,4525\times10^{-3}

2.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex1: écrire en notation scientifique 0,025×1078×400×10−8 25000 ×10−7\frac{0,025\times10^{78}\times400\times10^{-8}\ }{25000\ \times10^{-7}}  

4 ×10894\ \times10^{89}  

4 ×10594\ \times10^{59}  

4 ×10734\ \times10^{73}  

4 ×10714\ \times10^{71}  

3.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 1 : écrire en notation scientifique 0,0007878

7,8 ×1047,8\ \times10^4  

0,78 ×1040,78\ \times10^4  

78 ×10−478\ \times10^{-4}  

7,8 ×10−47,8\ \times10^{-4}  

4.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 1 : écrire en notation scientifique 789 ×1045789\ \times10^{45}  

7,89 ×10477,89\ \times10^{47}  

7,89 ×10437,89\ \times10^{43}  

7,89 ×10487,89\ \times10^{48}  

5.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 1 : écrire en notation scientifique 45 ×0,02 ×10−7845\ \times0,02\ \times10^{-78}  

9 ×10−789\ \times10^{-78}  

9 ×10779\ \times10^{77}  

9 ×10−799\ \times10^{-79}  

6.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 1 : écrire en notation scientifique (10 ×105)−8\left(10\ \times10^5\right)^{-8}  

1 ×10481\ \times10^{48}  

1 ×10−481\ \times10^{-48}  

1 ×10−401\ \times10^{-40}  

7.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Ex 2 : convertir 3,45 Mm = ..........m

3,45 ×106 m3,45\ \times10^{6\ }m  

3,45 ×10−6 m3,45\ \times10^{-6\ }m  

3,45 ×109 m3,45\ \times10^9\ m  

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