Most atms require that you enter a four-digit code, using the digits 0 to 9. how many four-digit codes are available?

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.