Math Skills

Question 1

What is the equation for the circumference of a circle?

Answer 1

Circumference= 2πr

Question 2

What is the equation for the area of a circle?

Answer 2

Area of a circle= πr^2

Question 3

What is the equation for the surface area of a cuboid?

Answer 3

Surface area of cuboid= 2(bh + bl + hl)

Question 4

What is the equation for the volume of a cuboid?

Answer 4

Volume of a cuboid= hbl

Question 5

What is the equation for percentage change?

Answer 5

Question 6

What is the equation for percentage yield?

Answer 6

Question 7

What is the equation for percentage error/ uncertainty?

Answer 7

Question 8

What is the equation for magnification?

Answer 8

Magnification= size of image/ actual size

Question 9

What is the equation for Rf?

Answer 9

Rf=distance moved by solute
———————————————————-
Distance moved by solvent

Question 10

What is the equation for rate?

Answer 10

Rate= change in quantity
——————————-
Time taken

Question 11

What is the equation for surface area to volume ratio ?

Answer 11

Ratio= surface area
———————
Volume

Question 12

What is the equation for proportion of polymorphic gene loci?

Answer 12

Proportion of polymorphic gene loci= number of polymorphic gene loci
—————————————————-
Total number of loci

Question 13

What is the equation for cardiac output?

Answer 13

Cardiac output= heart rate x stroke volume

Question 14

What is the equation for RQ?

Answer 14

RQ= CO2 produced
—————————-
O2 consumed

Question 15

What is the equation for efficiency of biomass transfers?

Answer 15

Efficiency= biomass transferred
———————————- X 100
Biomass intake