Answer:
I hope it will help you.......
Answer: 810
<u>Step-by-step explanation:</u>
There are 10 numbers to choose from. Since the 2nd digit and 3rd digit cannot repeat the number before it, they only have 9 numbers to choose from.
1st digit and 2nd digit and 3rd digit
10 choices x 9 choices x 9 choices = 810
Answer:
The difference is 1,563 feet.
Step-by-step explanation:
1,281+282=1,563
The answer would be 1,288.
23x56=1,288