its c
Step-by-step explanation:
Answer:
Letter B the second one
Step-by-step explanation:
Answer: -1/343
Step-by-step 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.
Answer:
Week 4, 1400
Brainliest plz
Step-by-step explanation: