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Operacions amb notació científica

Authored by Antoni Bancells

Mathematics

8th Grade

Used 62+ times

Operacions amb notació científica
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quin és el resultat de  4⋅108⋅3⋅1094·10^8·3·10^9  ?

 12⋅101712·10^{17}  

 1,2⋅10171,2·10^{17}  

 1,2⋅10181,2·10^{18}  

 1,2⋅10191,2·10^{19}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quin és el resultat de  4⋅109⋅5⋅10−154·10^9·5·10^{-15}  ?

 2⋅10252·10^{25}  

 2⋅10242·10^{24}  

 2⋅10−52·10^{-5}  

 2⋅10−62·10^{-6}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Expressa en veritable notació científica  2345⋅10112345·10^{11}  

 234,5⋅1012234,5·10^{12}  

 23,45⋅101323,45·10^{13}  

 2,345⋅10132,345·10^{13}  

 2,345⋅10142,345·10^{14}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Escriu en veritable notació científica:  0,234⋅10−70,234·10^{-7}  

 234⋅10−10234·10^{-10}  

 23,4⋅10−923,4·10^{-9}  

 2,34⋅10−82,34·10^{-8}  

 2,34⋅10−62,34·10^{-6}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quan val  (2⋅1011)3\left(2·10^{11}\right)^3  ?

 2⋅10132·10^{13}  

 2⋅10332·10^{33}  

 8⋅10338·10^{33}  

 8⋅10138·10^{13}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quan val  (3⋅108)2\left(3·10^8\right)^2  ?

 3⋅10103·10^{10}  

 3⋅10163·10^{16}  

 9⋅10169·10^{16}  

 9⋅10109·10^{10}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quant val  3⋅109+5⋅1093·10^9+5·10^9  ?

 1,5⋅10191,5·10^{19}  

 15⋅101815·10^{18}  

 8⋅1098·10^9  

 8⋅10108·10^{10}  

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