In how many ways can we distribute 10 identical looking pencils to 4 students so that each student gets at least 1 pencil?
options are 5040,210,84 or none of these.

The problem makes use of the concept of combination. Since the pencils all looked the same, you just have to select 4 out of the 10 without concerning about their order. There are 10C4 ways which is numerical equivalent to 210.

0.69 yards

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)