She can make 12 packs.
9960
999996
12
The greatest non-zero place is the hundredths place, and so it is 8.23, exactly as in the question.
Nothing special. They are squares of prime numbers.
# === ===
Because we need a number to be equal to nothing. (For example: If you had 1 apple & you gave it away, then many apples do you have? You have no apples. No apples = 0 apples.
99882
9801.
9960
9409.
9898989
999996
That's called the greatest common factor, or GCF.
nothing is it has to have two number to compare .
12
15 apples and 22.5 oranges