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1.

$\left(2x^4y^8\right)^2$ มีค่าเท่ากับข้อใด

a)

$2x^8y^{16}$

b)

$2x^6y^{10}$

c)

$4x^8y^{16}$

d)

$4x^6y^{10}$

2.

$\frac{ax^{-4}}{y^{-2}}$ มีค่าเท่ากับข้อใด

a)

$\frac{ay^{-4}}{x^{-2}}$

b)

$\frac{ay^2}{x^4}$

c)

$\frac{y^2}{ax^4}$

d)

$\frac{ay^2}{x^{-4}}$

3.

$2a^{-5}\times a^{-3}$ มีค่าเท่ากับข้อใด

a)

$\frac{2}{a^8}$

b)

$2a^{-2}$

c)

$\frac{a^8}{2}$

d)

$\frac{1}{2a^8}$

4.

\frac{\left(\frac{1}{2}\right)^6\left(\frac{1}{2}\right)^9}{\left(\frac{1}{2}\right)^8\left(\frac{1}{2}\right)}\ \ =\ \ ?

a)

$\left(\frac{1}{2}\right)^6$

b)

$2^6$

c)

$\left(\frac{1}{2}\right)^{15}$

d)

$\left(\frac{1}{2}\right)^7$

5.

\frac{\left(0.1\right)^{12}\left(0.1\right)^7}{\left(0.1\right)^6\left(0.1\right)^5}\ \ =\ \ ?

a)

$0.1^{12}$

b)

$0.1^{19}$

c)

$0.1^{11}$

d)

$0.1^8$

6.

\frac{28x^3y^7}{7y^6}\ \ =\ \ ?

a)

$4x^3y$

b)

$4xy$

c)

$4x^2y^2$

d)

$4x^2y$

7.

\frac{\left(-3\right)^9\left(-3\right)^7}{\left(-3\right)^{10}}\ \ =\ \ ?

a)

$\left(-3\right)^9$

b)

(-3)

c)

$\left(-3\right)^{16}$

d)

$\left(-3\right)^6$

8.

\frac{\left(7^{10}\right)\left(7^2\right)\left(7^4\right)}{7^{14}}\ \ =\ \ ?

a)

$7^{10}$

b)

$7^2$

c)

$7^{16}$

d)

$7^4$

9.

\frac{24x^9}{6x^3}\ \ =\ \ ?

a)

$4x^3$

b)

$4x^6$

c)

$18x6$

d)

$18x^3$

10.

\frac{3^9}{3}\ \ =\ \ ?

a)

$3^9$

b)

$3^8$

c)

$3^{10}$

d)

$3^7$

11.

$x^3y^{4\ }\times\ x^5y^6$

a)

$x^8y^{10}$

b)

$x^7y^{11}$

c)

$xy^{18}$

d)

$x^2y^2$

12.

\frac{5^6\times\ 5^8}{5^4}\ \ =\ \ ?\ \

a)

$5^{14}$

b)

$5^{10}$

c)

$5^4$

d)

$5^2$

13.

ข้อใดต่อไปนี้อยู่ในรูปอย่างง่ายของ (5²)⁵

a)

5¹⁸

b)

5²⁰

c)

5¹⁵

d)

5¹⁰

14.

ข้อใดคือคำตอบของ $3^5\times4^{-5}\times3^{-2}\times4^2$

a)

$3^3\times4^2$

b)

$3^3\times4^{-3}$

c)

$3^2\times4^{-5}$

d)

$3^2\times4^4$

15.

(8³ × 8⁶ ) ÷ 8⁸ เท่ากับข้อใด

a)

8⁰

b)

8

c)

8²

d)

8³

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Total questions: 15

Worksheet time: 7mins

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