Answer:
B
Step-by-step explanation:

z = 3(cos π/2 + i sin π/2) =→

z⁷ =

Step-by-step explanation:
the perfect squares =
81, 121, 625
Answer:
3
Step-by-step explanation:
View Image
X= 7 1/3
Explanation- Take 72 and subtract 50 from that giving you 22. Then take 22 and divide it by 3 to get 7.3333333333333 (repeats) or 7 1/3
on my calculator 48^1/5 equals 2.168943542
but out of a fraction 1/5 equals 0.2 ( they both equal the same thing)
2.168943542