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Potenser og rødder

Authored by Bjørn Djupvik

Mathematics

7th - 10th Grade

Used 5+ times

Potenser og rødder
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12 questions

Show all answers

1.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

En potens består af en eksponent og en rod (grundtal). Eksponenten viser, hvor mange gange roden skal (a)   med sig selv

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Når man skriver potensen

 343^4  så betyder det

 3⋅43\cdot4  

 3⋅3⋅3⋅33\cdot3\cdot3\cdot3  

 4⋅4⋅44\cdot4\cdot4  

 2727  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Rødder er det modsatte af potenser. Hvad er
​
  

 49\sqrt{49}  ?



(a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alle store og små tal kan skrives som et decimaltal ganget med en tierpotens. Hvordan kan man så skrive tallet 545 000 000 på denne måde?

545×102545\times10^2

5,45×1085,45\times10^8

5,45×10−85,45\times10^{-8}

5,45×8105,45\times8^{10}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 818^1  er det samme som...

8

1

0

16

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 505^0  er det samme som....

0

1

5

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 67×636^7\times6^3  =

 (67)3\left(6^7\right)^3  

 6736^{73}  

 6216^{21}  

 6106^{10}  

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