Respuesta :

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Answer:

3. (-10)^2

Answer: 100

Answer is B.

4.  12,400,000

Answer: 1.24 * 10^7

Answer is A.

I hope this can help you advance to the other questions!

Answer:

3) b. 100

4) a. 1.24 x 10 ^7

Step-by-step explanation:

-10 x -10 = 100

1.24 x 10 ^7 = 12,400,000