Your answer is alredy in order
You divide 820 by 42 and the answer comes out to be 344.4 it has a decimal because it doesn't divide equally
C and D is true and others are false
They are already both positive numbers, so the absolute value of 2 is 2, and the absolute value of 1/3 is 1/3.
This question cannot be answered with the details provided. How many coins are there to start with? Probability works by taking favorable outcomes divided by total outcomes. Without the total number of either, any question like this is impossible to solve.