The answer 0.1, 0.136, 0.652, 0.87
516.36 because the thousandth digit isn't above 5 so you don't round up
If she have 12 pencils and she gave 3/4 away then she will have 3 pencils left.
I think it is 30.48 because i looked it up
7.22 is 7.2242 rounded to the neartest hundreth