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4 votes
EASY question for y’all mathy people. Easy points! Question in photo!

EASY question for y’all mathy people. Easy points! Question in photo!-example-1
User Sixto
by
5.6k points

2 Answers

5 votes

Answer:

Explanation:

Answers C and D are correct.

Note that in C we have 7^(-8)

---------- ,

7^(-10)

which is equivalent to 7^(-8 + 10), or 7^2, or 49.

User Sergzach
by
5.1k points
3 votes

Answer:

B 1/7^2

D 7^-10 / 7^-8

Explanation:

7^-2

We know that a^-2 = 1/a^2

1/7^2 = 1/49

We also know that anything with a power of 2 in the denominator is good

7^-8 / 7^-10 = 7^2

7^-10 / 7^-8 = 7^-2 = 1/7^2 = 1/69 that is the second answer

User Thomas Vincent
by
4.8k points
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