Free Printable Operații cu puteri

1.

$2^4\cdot2^{5\ }=$

a)

225

b)

18

c)

$2^{20}$

d)

$2^9$

2.

Calculand $3^2$ obtinem:

a)

6

b)

9

c)

3

d)

0

3.

$5^{18}:5^2=$

a)

125

b)

$5^9$

c)

$5^{16}$

d)

625

4.

Sa se efectueze $2^3+2^2+2^{2000}\cdot\left(3^2-2^3-5^0\right)$ Rezultatul este:

a)

10

b)

$2^{2005}\cdot5$

c)

12

d)

0

5.

$2^2+17^0+0^{28}+1^{30}=$

a)

22

b)

51

c)

6

d)

4

6.

$\left(3^2\cdot5+2^3\cdot3-3^2\right):2^2$

a)

20

b)

10 rest 2

c)

15

d)

12

7.

$\left(2^{16}:4^7+4\right):2^2:5^0-1^7$ =

a)

1

b)

2

c)

0

d)

$2^{10}$

8.

Sa se efectueze $2^3+2^2+2^{2000}\cdot\left(3^2-2^3-5^0\right)$ Rezultatul este:

a)

10

b)

$2^{2005}\cdot5$

c)

12

d)

0

9.

Bifati raspunsul corect ! Scris sub forma unei singure puteri

3^5\cdot3^9=

a)

$3^{14}$

b)

$3^{45}$

c)

$3^4$

d)

$3^{15}$

10.

Bifati raspunsul corect ! Scris sub forma unei singure puteri

3^9:3^5=

a)

$3^{14}$

b)

$3^{45}$

c)

$3^4$

d)

$3^{15}$

11.

Bifati raspunsul corect ! Scris sub forma de putere

\left(3\cdot5\right)^5=

obtinem:

a)

$3^{14}\cdot5^{14}$

b)

$15^5$

c)

$3^4\cdot5^4$

d)

$3^{15}\cdot5^3$

e)

$3^5\cdot5^5$

12.

Bifati raspunsul corect ! Aplicand reguli de calcul cu puteri, obtinem:

\left(3^7\cdot5^2\right)^5=

a)

$3^{14}$

b)

$3^{35}\cdot3^{10}$

c)

$3^4$

d)

$3^{15}$

e)

$3^{12}\cdot5^7$

Operații cu puteri

Total questions: 12

Worksheet time: 6mins

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