What is the advantage of the number zero?

The positional decimal system with the inclusion of zero—the one we use today—has the advantage of allowing us to write any number with only ten different digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9), which makes it easier to operate with very large quantities, in contrast to, for example, the Roman numerical system (based on ..

Zero can be used as a place holder in many operations such as division and multiplication.

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

i think it would be c

mark brainliest if im right

step-by-step explanation: