Answer:
bottom left :)
Step-by-step explanation:
(3+4i)*4 = 3*4+4i*4 = 12+16i
The complex number 12+16i is in the form a+bi where a = 12 and b = 16
m = modulus
m = distance from (0,0) to (a,b)
m = sqrt(a^2+b^2)
m = sqrt(12^2+16^2)
m = sqrt(144+256)
m = sqrt(400)
m = 20
Answer: 20
Answer:
43.20 for the total cost of the item
Answer:
5x^2
Step-by-step explanation:
12 can be taken out from the top and bottom then for the x you subtract