Maths in Biology Flashcards
1
Q
What is the formula for the circumference of a circle?
A
2n(pi)r
2
Q
What is the formulae for the area of a circle?
A
n(Pi)r^2
3
Q
Whats the formula for the volume of a cuboid?
A
hbl
4
Q
How do you calculate percentage change?
A
new quantity - original quantity/original quantity x 100
5
Q
How do you calculate percentage yield?
A
Actual amount/Theoretical amount x 100
6
Q
How do you calculate percentage error(uncertainty)?
A
2 x absolute uncertainty/quantity measured x 100%
7
Q
What is the formula to work out magnification?
A
Magnification= image size/actual size