It is 3i.
The square root of -9 is the square root of -1 times the square root of 9.
So: the square root of 9 is 3, and the square root of -1 is called i (this doesn't actually exist, it's just imaginary).
Then, the square root of -9 is 3i.
8^2, 4^3, and 2^6 are 3 ways
Answer:
135
Step-by-step explanation:
1 1/2 * 90=135
A combination in this question, is combining 2 activities out of the 3.
The possible combinations are:
- Parade and Roller Coaster.
- Parade and Eat Ice Cream Cones.
- Roller Coaster and Eat Ice Cream Cones.
If you need the opposite order:
- Roller Coaster and Roller Coaster.
- Roller Coaster and Eat Ice Cream Cones.
- Eat Ice Cream Cones and Roller Coaster.
Hope This Helped! Good Luck!
