how to do converstions

Question 1

Cm to mm?

Answer 1

= x1000

Question 2

mm to um?

Answer 2

= x10000

Question 3

um to micro meyres?

Answer 3

= x10000

Question 4

How do we calculate rate?

Answer 4

= change in concentration/time

Question 5

What is the mucroscope equation?

Answer 5

= i= A XM

Question 6

What is percentage change?

Answer 6

odd no - new no
/
old
x100

Question 7

How do we calculate no of bacteria?

Answer 7

bacteria at beggining x 2^no of divisions

Question 8

What is percentage yield?

Answer 8

actual yield/theoretical yield x 100

Question 9

What is percentage change?

Answer 9

old number-new number/ old number x 100

Question 10

What is microscope equation?

Answer 10

I= A X M

Question 11

When do we use chi squared?

Answer 11

= test significance pf the difference between observed and expected results

Question 12

What is student t-test?

Answer 12

= compares the means of 2 groups

Question 13

What is correlation cooficient?

Answer 13

= mesures strength of relationships between 2 variables

Question 14

Volume of rectangular prism volume?

Answer 14

1/2 x w x l x h

Question 15

What is surface area of a cylinder?

Answer 15

= 2pir^2 +2pirh

Question 16

What is the volume of a cylinder?

Answer 16

= pir^2 x w

Question 17

What is the surface area of a sphere?

Answer 17

= 4pir^2

Question 18

What is the volume of a sphere?

Answer 18

= 4/3pir^3

Question 19

What is the osmosis dilution series equations?

Answer 19

total concentration/concentration wanted
= this is dilution factor
divide total bolume wanted for solution by dilution factr