Scientific notation
Explanation:
…
Answer:
b part is the answer
please mark me brainliest and follow me my friend.
Power rule I believe.
w²w³ = w²⁺³ = w⁵
Answer: 729
Step-by-step explanation:

3^-2 = 1/9
3^-4 = 1/81
(-1)^2 = 1
1/(1/9 * 1/81 * 1)
1/ 1/729 = 729