Answer:
0.00003
Step-by-step explanation:
The expression can be simplified as:
k^3(k7/5)^-5
= k^(3+-5) * (7/5)^-5
(Collecting the powers of k at one side and the constants at other side)
= k^-2 * (5/7)^5
(Solving thr integer powers)
= k^-2 * (3125/16807)
Answer: 88 years
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
B because i² makes +1 and i=-1
so i³=-i