If you give him one bar, it should take six days to kill it.
None because 001 is the same as 1
.001 percent = .001 per hundred = .01 per thousand = 10 per million
001 has one significant digit, so the answer can only have one. 1.2 x 001 = 1
10
001
.001
.001
.001
.001
.001 seconds
.001
.001