Well
i=√-1 so
i^2=(√-1)^2=-1
remember that
x^(mn)=(x^n)^m
i^40=(i^2)^20
we know that i^2=-1 so
i^40=-1^20
-1^2=1
-1^3=-1
-1^4=1
-1^5=-1
we conclude that even powers of -1 yeild +1 so the answer is +1 (positive 1)
Answer:
167.47 cubic metres
Step-by-step explanation:
Volume of a cone is given by where r is radius and h is the height of the cone. Assuming a radius of 4m and height of 10 m then the volume, using 3.14 for will be
V=
The answer is 4x+28 it was pretty simple you just had to add up all the sides
Answer:
59
Step-by-step explanation:
1. -35
2. +9
3. -23
4. +3
5. +5
6. -7
7. +125
8. -18
Add them all up in a calculator and you get 59
Answer:
tectonic plate movements
Step-by-step explanation: