group A chem sterilization result

exercise 1:

10 to the power of 10: ++ + + - - -
10 to the power of 6 : + + - - - -

exercise 2:

10 to the power of 10: + + + + + -
10 to the power of 6 : + + + - - -

exercise 3:

a) haven obtained from wee lee's group

b) 2% :- - - - - -
0.5%: + + + + + +
0.1%: + + + + + +
0.02%: + + + + + +

c) 0.25%: - - - + - -
0.005%: - - - - - -
0.001%: - - - - - -
0.0002%: + + + + + +

since i nt sure when to pass up this report so i post tis as well in case for you all to complete report prior to date line..

Wee lee did 3B, Christine grp did grpA...

izit?...kk...can those who did 3a) part post the results here as well...thx..^^