Answer:
-15
Step-by-step explanation:
When adding together two negatives it works just as it would with positive numbers, just with the negative sign to properly negate it.
No. i*i = -1
2i*3i=-6
now if they meant complex numbers the answer is still no
(2+4i)(2-4i) = 4-8i+8i-16 = -12
Answer:
1.29, 1.202, 1.02
Step-by-step explanation:
The answer is the first option, you multiply 14^2 by 9
It is around 1.81 kilograms