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Worksheets

Puteri cu exponent întreg

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

2-3=

a)

8

b)

18\frac{1}{8}

c)

-8

d)

-6

2.

5-2=

a)

525^2

b)

25

c)

−125-\frac{1}{25}

d)

125\frac{1}{25}

3.

5·3-3=

a)

135

b)

-27

c)

−527-\frac{5}{27}

d)

527\frac{5}{27}

4.

2-2+4-1=

a)

12\frac{1}{2}

b)

8

c)

18\frac{1}{8}

d)

6

5.

(25)−3\left(\frac{2}{5}\right)^{-3} =

a)

615\frac{6}{15}

b)

254\frac{25}{4}

c)

425\frac{4}{25}

d)

1258\frac{125}{8}

6.

0,1-3=

a)

0,001

b)

-1000

c)

1000

d)

-0,01

7.

3-8·3-6=

a)

-2

b)

314

c)

9

d)

19\frac{1}{9}

8.

8-8:89=

a)

9

b)

8

c)

18\frac{1}{8}

d)

64

9.

(7-1)3=

a)

-21

b)

21

c)

1147\frac{1}{147}

d)

147

10.

(23)−5⋅(23)7:(23)−3=\left(\frac{2}{3}\right)^{-5}\cdot\left(\frac{2}{3}\right)^7:\left(\frac{2}{3}\right)^{-3}=

a)

−94-\frac{9}{4}

b)

49\frac{4}{9}

c)

23\frac{2}{3}

d)

32\frac{3}{2}