Free Printable ស្វ័យគុណ ភាគ២

1.

គណនា $4^2-2^3=$

a)

-8

b)

6

c)

12

d)

8

2.

$2^9\times2^{-3}=$

a)

12

b)

16

c)

32

d)

64

3.

$3^5\div3^3=$

a)

3

b)

6

c)

9

d)

12

4.

$5^3\times5^{-2}=$

a)

5

b)

25

c)

15

d)

10

5.

$3^{-2}\times3^6\times\ 3^{-3}=$

a)

3

b)

6

c)

9

d)

27

6.

$\left(2^3\right)^{-4}\times2^{10}=$

a)

$\frac{1}{2}$

b)

$\frac{1}{4}$

c)

2

d)

4

7.

$\left(\frac{1}{3}\right)^3\div\left(\frac{1}{3}\right)^4=$

a)

$\frac{1}{3}$

b)

$\frac{1}{9}$

c)

3

d)

9

8.

$234580\times10^{-3}=$

a)

23.4580

b)

234.58

c)

23458000

d)

234580000

9.

$0.000006789\times10^6=$

a)

6789

b)

6.789

c)

6789000000

d)

0.000000006789

10.

$123.456\div10^{-3}=$

a)

123456

b)

0.123456

c)

0.00123456

d)

123456000

11.

តើ $10^4$ អានយ៉ាងដូជម្តេច?

a)

$4\ ស្វ័យគុណ\ 10$

b)

$10ស្វ័យគុណ4$

c)

$10\ ការេ$

d)

$4\ ការេ$

12.

បើ $a$ ជាចំនួនសនិទាន និង $n$ ជាចំនួនគត់រ៉ឺឡាទីប គេបាន $a\cdot a\cdot a\cdot...\cdot a,\ \ n$ កត្តា គេបាន

a)

$a^n$

b)

$n^a$

c)

$a^m$

d)

$m^a$

13.

តើ $2\cdot2\cdot2\cdot2\cdot2=?$

a)

$2^5$

b)

$2^6$

c)

$2^4$

d)

$2^8$

14.

តើ $\left(-2\right)^3=?$

a)

$-6$

b)

$-8$

c)

$8$

d)

$6$

15.

បើ $a$ ជាចំនួនសនិទាន $m,n$ ជាចំនួនគត់រ៉ឺឡាទីបខុសពីសូន្យ គេបាន

a)

$a^m\cdot a^n=a^{\left(m-n\right)}$

b)

$a^m\cdot a^n=a^{\left(m+n\right)}$

c)

$a^m\cdot a^n=a^{\left(mn\right)}$

d)

$a^m\cdot a^n=a^{\left(m\div n\right)}$

16.

$2^3\cdot2^4=?$

a)

$2^3$

b)

$2^4$

c)

$2^7$

d)

$2^5$

17.

$\left(\frac{1}{3}\right)\left(\frac{1}{3}\right)\left(\frac{1}{3}\right)=?$

a)

$\frac{1}{3}$

b)

$\frac{1}{9}$

c)

$\frac{1}{27}$

d)

$\frac{1}{81}$

18.

$10^{-2}\cdot10^4=?$

a)

$10^2$

b)

$10^{-2}$

c)

$10^{-3}$

d)

$10^3$

19.

$x^9\cdot x^{-6}=?$

a)

$x^{-4}$

b)

$x^4$

c)

$x^{-3}$

d)

$x^3$

20.

$\left(-\frac{3}{2}\right)^2\left(-\frac{3}{2}\right)^{-2}=?$

a)

$\left(-\frac{3}{2}\right)^4$

b)

$\left(-\frac{3}{2}\right)^{-4}$

c)

$-\frac{3}{2}$

d)

$1$

21.

$បើ\ a\ ជាចំនួនសនិទាន\ m,n\ ជាចំនួនគត់រ៉ឺឡាទីបវិជ្ជមាន\ \frac{a^m}{a^n}=?$

a)

$a^{\left(m+n\right)}$

b)

$a^{\left(m-n\right)}$

c)

$a^{\left(mn\right)}$

d)

$a^{n\div m}$

22.

$\left(10^2\right)^3=?$

a)

$10^2$

b)

$10^5$

c)

$10^3$

d)

$10^6$

23.

$\left(a^4\right)^5\cdot a\cdot a^{-6}=?$

a)

$a^{15}$

b)

$a^{14}$

c)

$a^{10}$

d)

$a^9$

24.

$\frac{a^2}{a^3}=?$

a)

$a^{-1}$

b)

$a$

c)

$a^{-2}$

d)

$a^2$

25.

$\left(\frac{3}{4}\right)^3=?$

a)

$\frac{27}{64}$

b)

$\frac{9}{16}$

c)

$\frac{9}{12}$

d)

$\frac{6}{7}$

26.

$2^3\cdot5^3=?$

a)

$2^5$

b)

$10^3$

c)

$5^3$

d)

$2^3$

27.

$\left(3xy^2\right)^3=?$

a)

$27x^3y^6$

b)

$3x^3y^6$

c)

$9x^3y^6$

d)

$3xy^3$

28.

$\left(\frac{3}{4}\right)^2=?$

a)

$\frac{3}{4}$

b)

$\frac{9}{16}$

c)

$\frac{27}{64}$

d)

$\frac{81}{125}$

29.

$3.75\cdot10^4=?$

a)

$37500$

b)

$375$

c)

$3750$

d)

$375000$

30.

$128.5\div10^2=?$

a)

$1.285$

b)

$12.85$

c)

$128.5$

d)

$0.1285$

31.

10³ = …

a)

10 x 10 x 10

b)

10 x 3

c)

10 + 3

d)

10 + 10 + 10

32.

$10^5=$

a)

500

b)

10 000

c)

100 000

d)

50

33.

$\frac{1}{1000}=$

a)

$10^3$

b)

$10^{-3}$

c)

$\frac{1}{10^{-3}}$

d)

-1000

34.

$10^{-2}=$

a)

-100

b)

$\frac{1}{20}$

c)

$0,01$

d)

$\frac{1}{0,01}$

35.

$10^5\times10^8=$

a)

$10^{40}$

b)

$10^{13}$

c)

$10^{58}$

d)

ចម្លើយផ្សេង

36.

$10^{-4}\times10^{5\ }=$

a)

$10$

b)

$10^{-45}$

c)

$10^{-9}$

d)

$10^{-20}$

37.

$\frac{10^9}{10^4}$ =

a)

$10^5$

b)

$10^{13}$

c)

$\frac{1}{10^5}$

d)

$10^{36}$

38.

1kg= …..g

a)

10^-2

b)

10^-3

c)

10²

d)

10³

39.

$0.000001=$

a)

10^-6

b)

10⁶

c)

10^-3

40.

$1mm=....m$

a)

10^-3

b)

10^-6

c)

10³

41.

តើមួយណាជាការសរសេរជាទម្រង់ស្តង់ដា?

a)

0,97 x 10⁷

b)

1,52 x 10³

c)

17,3 x 10^-3

d)

32 x 10⁵

42.

ទម្រង់ស្តង់ដានៃ 320 000 គឺ

a)

3,2 x 10⁵

b)

32 x 10⁴

c)

32 x10^-4

d)

3,2 x 10^-5

43.

ទម្រង់ស្តង់ដានៃ 0,046 គឺ

a)

46 x 10³

b)

4,6 x 10²

c)

4,6 x10^-2

d)

46 x 10^-3

44.

$10000000^0+\left(0.0000001\right)^0=2$

a)

ពិត

b)

មិនពិត

45.

គេមានស្វ័យគុណ $a^3$ តើចំនួន 3 គឺជាអ្វី?

a)

គោល

b)

ស្វ័យគុណ

c)

និទស្សន្ដ

d)

គូប

46.

$a\times a\times a\times a\times a=?$

a)

$a^5$

b)

$5a$

c)

$a^6$

d)

$a+5$

47.

គណនា $5^3=?$

a)

150

b)

75

c)

1000

d)

125

48.

គណនា $\left(-2\right)^4=?$

a)

16

b)

-8

c)

8

d)

6

49.

គណនា $3^4=?$

a)

81

b)

12

c)

27

d)

64

50.

គណនា $(-3)^3=?$

a)

-27

b)

9

c)

27

d)

-9

51.

គណនា $-10^2$

a)

100

b)

-50

c)

-100

d)

-20

52.

បើ m , n ជាចំនួនគត់រុឺឡាទីបខុសពីសូន្យ គេបាន $a^m\times a^n=?$

a)

$a^{mn}$

b)

$a^{m+n}$

c)

$a^{m-n}$

d)

$a^{m^n}$

53.

គណនា $x^2\times x^3=?$

a)

$x^6$

b)

$x^5$

c)

$x^7$

d)

$x^4$

54.

គណនា $\left(xy^4\right)\left(x^2y^{-2}\right)=?$

a)

$x^2y^2$

b)

$x^3y^3$

c)

$x^3y^2$

d)

$x^3y^6$

55.

បើ m , n ជាចំនួនគត់រុឺទឡាទីប គេបាន $\frac{a^m}{a^n}=?$

a)

$a^{m+n}$

b)

$a^{m-n}$

c)

$a^{mn}$

d)

$a^{m\div n}$

56.

គណនា $\frac{x^5}{x^3}=?$

a)

$x^{10}$

b)

$x^8$

c)

$x^2$

d)

$x^{15}$

57.

គណនា $\frac{x^3y^2}{x^{ }y^{-2}}=?$

a)

$x^2$

b)

$x^2y^{ }$

c)

$x^2y^3$

d)

$x^2y^4$

58.

ជាទូទៅ $a^0=?$

a)

0

b)

$a$

c)

$1$

d)

កំណត់មិនបាន

59.

ជាទូទៅ $a^{-n}=\frac{1}{a^n}\ \ ,\ \ \ \frac{1}{a^{-n}}=a^n\ ។$ គណនា $x^{-2}=?$

a)

$\frac{2}{x^n}$

b)

$\frac{1}{x^n}$

c)

$-\frac{2}{x^n}$

d)

$-\frac{1}{x^n}$

60.

គណនា $\frac{2}{5^{-2}}=?$

a)

20

b)

25

c)

50

d)

-50

61.

គណនា $\left(2^3\right)^2=?$

a)

32

b)

64

c)

16

d)

100

62.

គណនា $\left(2x\right)^3=?$

a)

$6x^3$

b)

$8x^3$

c)

$10x^3$

d)

$9x^3$

63.

គណនា $\left(3x\right)^2=?$

a)

$9x^2$

b)

$6x^2$

c)

$12x^2$

d)

$5x^2$

64.

គណនា $\sqrt[]{4}+\sqrt[]{16}-3^2=?$

a)

-3

b)

-5

c)

0

d)

1

65.

គណនា $\sqrt[3]{8}-\sqrt[3]{125}-2^4=?$

a)

-11

b)

-15

c)

-18

d)

-19

66.

គណនា $\left(-2x^2y\right)\left(3x^{-3}y^2\right)\left(-5x^{ }y\right)=?$

a)

$30x^{ }y^4$

b)

$-30y^4$

c)

$30y^4$

d)

$30x^2y^2$

67.

គណនាតម្លៃនៃកន្សោម $x^2y^3-2xy$ ចំពោះ $x=2\ \ ,\ \ y=-2$ ។

a)

-18

b)

-20

c)

-24

d)

-25

68.

បើ $a$ ជាចំនួនសនិទាន និង $n$ ជាចំនួនគត់រ៉ឺឡាទីប គេបាន $a\cdot a\cdot a\cdot...\cdot a,\ \ n$ កត្តា គេបាន

a)

$a^n$

b)

$n^a$

c)

$a^m$

d)

$m^a$

69.

តើ $10^4$ អានយ៉ាងដូជម្តេច?

a)

$4\ ស្វ័យគុណ\ 10$

b)

$10ស្វ័យគុណ4$

c)

$10\ ការេ$

d)

$4\ ការេ$

70.

តើ $\left(-2\right)^3=?$

a)

$-6$

b)

$-8$

c)

$8$

d)

$6$

71.

បើ $a$ ជាចំនួនសនិទាន $m,n$ ជាចំនួនគត់រ៉ឺឡាទីបខុសពីសូន្យ គេបាន

a)

$a^m\cdot a^n=a^{\left(m-n\right)}$

b)

$a^m\cdot a^n=a^{\left(m+n\right)}$

c)

$a^m\cdot a^n=a^{\left(mn\right)}$

d)

$a^m\cdot a^n=a^{\left(m\div n\right)}$

72.

$2^3\cdot2^4=?$

a)

$2^3$

b)

$2^4$

c)

$2^7$

d)

$2^5$

73.

$\left(\frac{1}{3}\right)\left(\frac{1}{3}\right)\left(\frac{1}{3}\right)=?$

a)

$\frac{1}{3}$

b)

$\frac{1}{9}$

c)

$\frac{1}{27}$

d)

$\frac{1}{81}$

74.

$10^{-2}\cdot10^4=?$

a)

$10^2$

b)

$10^{-2}$

c)

$10^{-3}$

d)

$10^3$

75.

$x^9\cdot x^{-6}=?$

a)

$x^{-4}$

b)

$x^4$

c)

$x^{-3}$

d)

$x^3$

76.

$\left(-\frac{3}{2}\right)^2\left(-\frac{3}{2}\right)^{-2}=?$

a)

$\left(-\frac{3}{2}\right)^4$

b)

$\left(-\frac{3}{2}\right)^{-4}$

c)

$-\frac{3}{2}$

d)

$1$

77.

$\left(3xy^2\right)^3=?$

a)

$27x^3y^6$

b)

$3x^3y^6$

c)

$9x^3y^6$

d)

$3xy^3$

78.

$3.75\cdot10^4=?$

a)

$37500$

b)

$375$

c)

$3750$

d)

$375000$

79.

$\left(4xyb^2\right)\left(2x^{-1}yd\right)$

a)

$8xy^2b^2d$

b)

4xybd

c)

$8y^2b^2d$

d)

$4xyb^2d$

80.

4m=.................cm

a)

400cm

b)

40cm

c)

4000cm

d)

0.4cm

81.

$2^3+^{ }4^2$

a)

10

b)

7

c)

24

d)

25

82.

$5^2\times^{ }2^2$

a)

10

b)

100

c)

1000

d)

50

83.

$4\times4\times4\times4\times4\times4$

a)

$4^3$

b)

$4^2$

c)

$4^5$

d)

$4^6$

84.

គណនាផលចែក $\frac{4}{5}\div\frac{1}{10}=?$

a)

$2$

b)

$4$

c)

$6$

d)

$8$

85.

$\frac{24}{-25}\div\frac{6}{15}=?$

a)

$-\frac{12}{7}$

b)

$-\frac{5}{12}$

c)

$\frac{15}{13}$

d)

$\frac{13}{25}$

86.

ចូរអានចំនួន $5^3$

a)

អានថា 5 ស្វ័យគុណ 3

b)

អានថា 3 ស្វ័យគុណ 5

c)

អានថា 3 ការេ

d)

អានថា 5 គូប

87.

$\left(-5xy^{-2}\right)\left(\frac{3}{5}x^3y^8\right)=?$

a)

$3x^4y^6$

b)

$-3x^4y^6$

c)

$2x^2y^4$

d)

$-2x^4y^6$

88.

$\frac{4}{7}+\frac{15}{7}$

a)

$\frac{23}{7}$

b)

$\frac{19}{7}$

c)

$\frac{25}{7}$

d)

$\frac{12}{7}$

89.

$3X^0+2^{ }$

a)

$3$

b)

$5$

c)

$7$ 7

d)

10

90.

$\frac{3^2}{5^2}$

a)

$\frac{6}{10}$

b)

$\frac{9}{10}$

c)

$\frac{9}{25}$

d)

$\frac{10}{25}$

91.

$5^2-2^3-3$

a)

$11$

b)

$14$

c)

$15$

d)

$19$

92.

$-3a^3b^{ }$ $ចំពោះ\ \ a=2\ ;b=5$

a)

120

b)

102

c)

-102

d)

-120

ស្វ័យគុណ ភាគ២

Total questions: 92

Worksheet time: 1hrs 7mins

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