You want to multiply together the number of possible choices for each digit in the code.
0-9 is ten possible numbers, since repetitions are allowed (example code 2,2,2,2) there are ten possible choices per digit in the code.
10*10*10*10 = 10,000 four digit coded possible
Answer:
Legenth times width
Step-by-step explanation:
Basically the question is asking YOU when you hear “system of equations” what do you think about it - what do you already know about system of equations. Basically. Btw enjoy this picture.
Answer:
Step-by-step explanation:
When you have something like that, just think that the first number goes on top and the second number goes on bottom.
One number is 18 and the other is 22