Free Printable Puteri - Ultima cifra, notiuni introductive

1.

Pentru numarul de mai jos exponentul este ...3x3x3x3x3x3x3x3x3x3x3x3x3x3x3x3x3x3x3

a)

19

b)

18

c)

3

d)

20

2.

$Ultima\ cifra\ a\ numarului\ 4^{54\ }este$

(a)

3.

2³ este egal cu

a)

6

b)

8

c)

5

d)

4

4.

$2^3\ \times2^5$ este egal cu

a)

$2^{15}$

b)

$2^5$

c)

$2^8$

d)

$4^8$

5.

$2^9\ \div2^7$

a)

$2^4$

b)

$2^{16}$

c)

4

d)

$3^2$

6.

$2019^0$ este egal cu

a)

2019

b)

0

c)

19

d)

1

7.

15²este egal cu

a)

30

b)

225

c)

125

d)

50

8.

$2\ +3^2\ este\ egal\ cu\$

a)

$5^2$

b)

8

c)

11

d)

7

9.

$2019\ +2019^0$

a)

2019

b)

0

c)

2020

d)

2018

10.

Calculați:
1⁰ + 2²+ 3³

a)

32

b)

31

c)

30

d)

33

11.

Dacă 2^x = 8, atunci x = ... .

a)

4

b)

2

c)

3

d)

1

12.

Dacă x⁴ = 16, atunci x = ... .

a)

4

b)

2

c)

3

d)

8

13.

Dacă 3^a = 81, atunci a - 3 = ... .

a)

1

b)

2

c)

3

d)

4

Puteri - Ultima cifra, notiuni introductive

Total questions: 13

Worksheet time: 12mins

Similar Resources on Wayground