Answer:
Step-by-step explanation:
7. 20
8. 680
9. 700
10. 4,000
11. 106,000
12. 5,800
The answer is BC + CD = BD
Answer:
Step-by-step explanation:
The tough part of this question is figuring out what to do with √(7^2). You could do it by expanding the square. √(7^2) = √49
Now what is the square root of 49? Is it not 7?
√49 = 7
7^6 * 7^1
7 ^(6 + 1)
7 ^ 7
