Ik it’s either a or d but i am not sure, i hope this helps
Answer: D
Step-by-step explanation:
Proof see picture
Answer:
255
Step-by-step explanation:
just took the test
Answer:
8n
Step-by-step explanation:
Dan sleeps 8 hours per night
Dan sleeps in 'n' nights
8•n = 8n
Answer:
±3i
Step-by-step explanation:
Given the value ±√-9, we are to express the value using the imaginary number 'I'
±√-9 = ±√9×-1
= ±√9 × √-1
In complex number, √-1 = i
The expression becomes;
±√9 = ±3 × i
±√9 = ±3i
Hence the value in simplified form is ±3i