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Puterea unui număr întreg cu exp. număr natural (nivelul 2)

Authored by Irina Stratan

Mathematics

6th - 7th Grade

Used 24+ times

Puterea unui număr întreg cu exp. număr natural (nivelul 2)
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Folosind regulile de calcul scrieți ca o singură putere:
 (5)3(5)4=\left(-5\right)^3\cdot\left(-5\right)^4=  

 (5)7\left(-5\right)^7  

 575^7  

 (5)12\left(-5\right)^{12}  

 5125^{12}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (4)6(4)2=\left(-4\right)^6\cdot\left(-4\right)^2=  

 (4)2\left(-4\right)^2  

 (4)8\left(-4\right)^8  

 (4)4\left(-4\right)^4  

 (4)12\left(-4\right)^{12}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (9)4(9)3=\left(-9\right)^4\cdot\left(-9\right)^3=  

 (9)12\left(-9\right)^{12}  

 (9)1\left(-9\right)^1  

 (9)6\left(-9\right)^6  

 (9)7\left(-9\right)^7  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5)6:(5)4=\left(-5\right)^6:\left(-5\right)^4=  

 (5)10\left(-5\right)^{10}  

 (5)20\left(-5\right)^{20}  

 (5)2\left(-5\right)^2  

 52-5^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (2)7:(2)3=\left(-2\right)^7:\left(-2\right)^3=  

 (2)4\left(-2\right)^4  

 (2)10\left(-2\right)^{10}  

 (2)21\left(-2\right)^{21}  

 24-2^4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (6)8:(6)7=\left(-6\right)^8:\left(-6\right)^7=  

6

 (6)15\left(-6\right)^{15}  

-6

 (6)56\left(-6\right)^{56}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 [(5)3]2=\left[\left(-5\right)^3\right]^2=  

 5-5  

 +5+5  

 (5)5\left(-5\right)^5  

 (5)6\left(-5\right)^6  

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