What led to the demise of early attempts to create a checking system? (Select all that apply.) looting and robbery
inability to verify the various forms of exchange
length of time to present bills for payment
bills were less secure to transport

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.

They lost twenty games