Index Notation
Index Laws
Negative Indices
Scientific Notation
Significant Figures
100

Evaluate 53

125

100

Solve the following: 

1. a4 × a3

2. b6 ÷ b2

3. (y3)6

1. a7

2. b4

3. y18

100

Simplify 

x-7 ÷ x-3

x-4

100

Scientific notation has the form a × 10m. What are the conditions placed on the values of a and m?

a is a number greater than 1 and less than 10

is an integer

100

State the number of significant figures in this number: 

508

3 significant figures

200

Identify the base and index of the following powers: 

34

Base: 3

Index: 4

200

Simplify: 2x× 7x3 

14x10

200

Express the following using positive indices.

9ab-3

(9a)/(b3)

200

Express this number in scientific notation. 

13 700 000 000

1.37 × 1010

200

State the number of significant figures in this number: 

0.00019

2 significant figures

300

Write in a3 expanded form

a × a × a

300

Simplify: -9z0

-9

300

Write with a negative index

1/(23)

2-3

300

Express this number in scientific notation

0.000 000 61

6.1 × 10-7

300

State the number of significant figures in the number: 

3.1500

5 significant figures

400

Write in expanded form and then evaluate

(-2)6

-2 × -2 × -2 × -2 ×-2 × -2 = 64

400

Simplify: (6a7b5) ÷ (3a2b4)

2a5b

400

ab-5cis equal to

(ac3)/b5

400

Express these numbers as basic numerals

8.5 × 104

85 000

400

Write this number using scientific notation to three significant figures. 

0.00034276

3.43 × 10-4

500

Write the following in index form: 

 ⅘ × ⅓ × ⅓ × ⅘ × ⅓ × ⅘ × ⅘

(⅓)3(⅘)4

500

Simplify

-3(2a3b4c)2

-12a6b8c2

500

Express with positive indices

(4a-6)-2

(a12)/16

500

Express these numbers as basic numerals

9.31 × 10-6

0.000 009 31

500

Write this number in scientific notation to three significant figures: 

2 186 000

2.19 × 106