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Quiz Indices & Standard Form

Total questions: 15

Worksheet time: 28mins

Name
Class
Date
1.

 256625\frac{256}{625}  

a)

 (25)4\left(\frac{2}{5}\right)^4  

b)

 (45)4\left(\frac{4}{5}\right)^4  

c)

 (37)3\left(\frac{3}{7}\right)^3  

d)

 (56)3\left(\frac{5}{6}\right)^3  

2.

Calculate the value of

 747^4  

a)

28

b)

343

c)

2401

d)

16384

3.

 (x2y−1)3×y8=\left(x^2y^{-1}\right)^3\times y^8=  

a)

 x5y5x^5y^5  

b)

 x5y11x^5y^{11}  

c)

 x6y5x^6y^5  

d)

 x6y11x^6y^{11}  

4.

 (q−2)−6÷q2=\left(q^{-2}\right)^{-6}\div q^2=  

a)

 q−14q^{-14}  

b)

 q−10q^{-10}  

c)

 q10q^{10}  

d)

 q14q^{14}  

5.

 (6p2q4)26p6q8=\frac{\left(6p^2q^4\right)^2}{6p^6q^8}=  

a)

 6p−26p^{-2}  

b)

 p−2p^{-2}  

c)

 p2p^2  

d)

 6p26p^2  

6.

Given

 5n×52=5105^n\times5^2=5^{10}  , find the value of n

a)

6

b)

8

c)

9

d)

10

7.

Evaluate

 2713×8−1327^{\frac{1}{3}}\times8^{-\frac{1}{3}}  

a)

 32\frac{3}{2}  

b)

 34\frac{3}{4}  

c)

 12\frac{1}{2}  

d)

 38\frac{3}{8}  

8.

Given

 27×9x−3=8127\times9^{x-3}=81  . Find the value of x

a)

 12\frac{1}{2}  

b)

 72\frac{7}{2}  

c)

 34\frac{3}{4}  

d)

 52\frac{5}{2}  

9.

Round off 3.0279 correct to three significant figures.

a)

3.02

b)

3.027

c)

3.028

d)

3.03

10.

Round off 0.6079 to three significant figure

a)

0.60

b)

0.61

c)

0.607

d)

0.608

11.

Round off 68732 to three significant figures.

a)

687

b)

688

c)

68700

d)

68800

12.

Express

 6319.76319.7  in standard form

a)

 6.3197×1046.3197\times10^4  

b)

 6.3197×1036.3197\times10^3  

c)

 6.3197×1026.3197\times10^2  

d)

 6.3197×10−36.3197\times10^{-3}  

13.

a)

A

b)

B

c)

C

d)

D

14.

a)

A

b)

B

c)

C

d)

D

15.

a)

A

b)

B

c)

C

d)

D