Posted by **John** on Thursday, February 28, 2013 at 12:17am.

Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by another digit and then the '=' sign. How many different answers could Luis get?

## Answer this Question

## Related Questions

- Geometry - Luis has a simple calculator that has buttons for the digits 0 ...
- Geometry - Luis has a simple calculator that has buttons for the digits 0 ...
- Science - Luis wanted to create a clay model of earth and the sun. To show how ...
- Math - Luis has $150,000 in his retirement account at his present company. ...
- math - Luis and Berto sell TVs. Last month Berto sold 15 more TVs than Luis. ...
- algebra II - Suppose a car door lock has a five-button keypad. Each of the ...
- Math110 - how many 6 - slots codes can be made up using 2 letters followed by 2 ...
- math - luis has a deck of ten cards with theres numbers 1,3,5,7,9,11,13,15,17,19...
- math - Marty ate 1/4 of his pizza and Luis ate 1/3 of his pizz.marty ate more ...
- Math - Luis bought eight bags of candy at the store for a total price of $21.54...

More Related Questions