mathematical skills Flashcards
1
Q
circumference of circle
A
2 pi r
2
Q
area of a circle
A
pi r²
3
Q
percentage change
A
change / original x 100
4
Q
percentage yield
A
actual / theoretical x 100
5
Q
percentage uncertainty
A
2 x uncertainty / measured x 100
6
Q
uncertainty
A
half of one division
7
Q
magnification
A
image / real
8
Q
rf
A
solute / solvent
9
Q
rate
A
change / time taken
10
Q
sa:v
A
sa / vol
11
Q
genetic biodiversity/ proportion of polymorphic gene loci
A
number of poly / number of loci
12
Q
cardia output
A
heart rate x stroke vol
13
Q
respiratory quotient
A
co2 produced / o2 consumed
14
Q
microorganism pop growth
A
original x 2^n
15
Q
efficiency of biomass transfer
A
transfer / intake x 100
16
Q
temp coeffiecient
A
r2 / r1
17
Q
conversions (10^)
A
3 kilo
0 metre
-1 deci
-2 centi
-3 milli
-6 micro
-9 nano
