100
3.14
If you mean "the value of pi rounded to the nearest hundredth," then: 3.14
The 42nd digit of pi is 6. (The first 43 digits of pi are 3.141592653589793238462643383279502884197169. If pi were rounded to the nearest 42 digits, then the 6 would be rounded up to a seven.)
3.1
3.141593
(pi)0.00000001 = approx. 1.000000011 (rounded)
pi*10-8
Pi rounded to the nearest whole number is 3.
100
pi rounded to the nearest hundredth is 3.142
3.14
3.14
3.1416
3.14
It is 3.1416
0