Write down the value of .
Did this page help you?
Select a download format for Exponentials & Logarithms
Select an answer set to view for
Exponentials & Logarithms
Write down the value of .
Did this page help you?
Find the value of
Did this page help you?
Write in terms of
.
......................
Did this page help you?
Solve.
..............
Did this page help you?
A small tree is initially 2 metres tall.
Each year, the height of the tree increases by 20%.
The height, metres, of the tree at the end of
years is given by the formula:
(i) Write down the value of and
.
[2]
(ii) Find the exact time it takes for the tree to reach a height of 5 metres.
Give your answer in the form .
[2]
Did this page help you?
Find the value of .
Did this page help you?
Find the value of
Did this page help you?
The population of a village is 1000 people.
Each year, the population decreases by 10%.
The population at the end of years is given by the formula
(i) Write down the value of .
[1]
(ii) Find the exact time the population reaches 800.
Give your answer in an exact logarithm form.
[3]
Did this page help you?
Find the value of .
Did this page help you?
Find the value of
Did this page help you?
A population of rabbits is increasing by the same amount each year.
The population, , at the end of
years is given by the formula
(i) Write down the initial population, , of the rabbits.
[1]
(i) Write down the amount that the population increases by each year.
[1]
After how many years will the population first exceed 10 000?
Find the exact time the population becomes 200 000.
Give your answer in the form .
Did this page help you?