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1 vote
-7 (-7)^-4 plz help plz

User Winqoo
by
6.1k points

1 Answer

4 votes

Answer: -1/343

Explanation:

-7(-7)^-4

First, re-write as positive exponents:

-7(-1/7^4)

Next, simplify:

-1/7^3 (you can simplify using exponent rules)

Simplify 7^3 :

7(7)(7)

49(7)

343.

Insert to original expression:

-1/343.

User Mike Glaz
by
4.7k points
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