The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.
34.0
34 and a half weeks .. Rounded : 34 or 35
34.1 rounded to the nearest whole number is 34
0.34 rounded to the nearest whole number is zero.
30
34.00
0
34
(58+9) / 34 = 1.9706 (rounded)(58/34) + 9 = 10.7059 (rounded)
34.0
34 x 6 (204) rounded to the nearest tens place is 200.
33.8 rounded to the nearest whole number is 34.
34
34 and a half weeks .. Rounded : 34 or 35
34/70 = 17/35 = 48.57% (rounded)
The circumference of a circle that has a diameter of 34 inches rounded to the nearest tenth is 106.8 inches.
34.00