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3.3 Exercises

From Förberedande kurs i matematik 1

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       Theory          Exercises      


Exercise 3.3:1

Solve the following equations for x.

a) 10x=1000 b) 10x=0.1
c) 110x=100 d) 110x=0.0001

Exercise 3.3:2

Calculate

a) lg0.1 b) lg10000 c) lg0.001 d) lg1
e) 10lg2 f) lg103 g) 10lg0.1 h) lg1102

Exercise 3.3:3

Calculate

a) log28 b) log931 c) log20.125
d) log39313  e) 2log24 f) log24+log2116
g) log312log34 h) logaa2a 

Exercise 3.3:4

Simplify

a) lg50lg5 b) lg23+lg123 c) lg2713+2lg3+lg91

Exercise 3.3:5

Simplify

a) lne3+lne2 b) ln8ln4ln2 c) (ln1)e2
d) lne1 e) ln1e2 f) elne2 

Exercise 3.3:6

Use the calculator on the right to calculate the following to three decimal places. The button LN signifies the natural logarithm with base e.

a) log34
b) lg46
c) log3log2(3118)