Potencije i znanstveni zapis realnog broja

Potencije i znanstveni zapis realnog broja

9th Grade

12 Qs

quiz-placeholder

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Potencije i znanstveni zapis realnog broja

Potencije i znanstveni zapis realnog broja

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Gordana Divić

Used 14+ times

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12 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Izračunaj:

 4n33n3+n32n34n^3-3n^3+n^3-2n^3  

 00  

 n3n^3  

 30n330n^3  

 n3-n^3  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pomnoži:

 12a2b345ab2-\frac{1}{2}a^2b^3\cdot\frac{4}{5}ab^2  

 25a3b5\frac{2}{5}a^3b^5  

 25a3b5-\frac{2}{5}a^3b^5  

 25a2b6\frac{2}{5}a^2b^6  

 25a2b6-\frac{2}{5}a^2b^6  

3.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Zapiši u obliku potencije s bazom 2:

 (64216384)5\left(64^2\cdot16^3\cdot8^4\right)^5  

 21802^{180}  

 21102^{110}  

 2272^{27}  

 23972^{397}  

4.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Izračunaj: 
  (16a7b7):(64a3b3)\left(16a^7b^7\right):\left(64a^3b^3\right)  

 4a4b44a^4b^4  

 14a4b4\frac{1}{4}a^4b^4  

 4a4b4\frac{4}{a^4b^4}  

 14a4b4\frac{1}{4a^4b^4}  

5.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Izračunaj:
 3(23)2+41(12)1+50\frac{3\cdot\left(\frac{2}{3}\right)^{-2}+4^{-1}}{\left(\frac{1}{2}\right)^{-1}+5^0}  

 52\frac{5}{2}  

 11  

 72\frac{7}{2}  

 54\frac{5}{4}  

6.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Pojednostavni:

 (9a3b2)2(b33a2)3\left(\frac{9a^{-3}}{b^{-2}}\right)^{-2}\cdot\left(\frac{b^{-3}}{3a^{-2}}\right)^{-3}  

 13b5\frac{1}{3b^5}  

 b53\frac{b^5}{3}  

 3b53b^5  

 3b5\frac{3}{b^5}  

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Označi točne jednakosti:

2x13x1=x2x^{-1}-3x^{-1}=-x

21055=10152^{10}\cdot5^5=10^{15}

162+83+44=21016^2+8^3+4^4=2^{10}

(34)5(45)5(56)5=(12)5\left(\frac{3}{4}\right)^5\cdot\left(\frac{4}{5}\right)^5\cdot\left(\frac{5}{6}\right)^5=\left(\frac{1}{2}\right)^5

3x3=13x33x^{-3}=\frac{1}{3x^3}

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