2 x 6 - 21 divided by 7
1 answer:
You might be interested in
Every number will have only 3 digits. In the ones place, there are 5 choices. For every choice of digit made in the ones place, there are 8 possible choices for the hundreds place (you can choose from 1-9, omitting whatever is used in the ones place), and there are 8 possible choices for the tens place (you can choose from 0-9, omitting whatever has already been used elsewhere).
So there are
such numbers.
So there are
Answer:
Step-by-step explanation:
<u>Factor by grouping</u>
<u />