Jackson owes his sister monica $15. monica has a $10 bill in her pocket. explain the meaning of zero in this situation .?

Jackson owes his sister Monica $15. Monica has a $10 bill in her pocket.

We only have one zero, here which is in $10.

We can say that the zero is the place holder for showing the value of 1. 1 with 0 makes 10 dollars.

If there was no zero, then Monica would have only $1 in her pocket.

But by adding a 0 in the one's place and shifting the 1 to tens place, we get a value of 10.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,