There are 10,000 combinations possible.
10,000 four digit codes are available.
Hope this helps. - M
Answer:
they are adding by 7 because 6 +7=13
Answer: 5,000
Step-by-step explanation: Take the number 4,615 no the rule for rounding any digit is 5 and above give it a shove aka round up 4 and below let it rest or round down go to the digit before the number you are rounding the 6 now six is above 5 so you will round this up now to round it up it will be ten so leave the 0 and carry the 1 over to the 4 add it and you will get your answer and lastly all digits to the right of the place you are rounding make them 0s.
1/6 of their time has to be put in to the project.
The equivalent fractions are 2/16 8/64
