Answer:
Step-by-step explanation:
The imaginary number 'i' is equal to the square root of -1. If you were to square the square root, they both cancel and you get -1.

Answer:
156 for the girls and 96 for the boys.
Step-by-step explanation:
So I did 12x8 for the girls and I got 96. Although , for the boys I did 15x12 and got 156.
Find the difference (subtract) between the accepted value and the experimental value, then divide by the accepted value. To determine if a value is precise find the average of your data, then subtract each measurement from it.
Answer:
C. 25
Step-by-step explanation:
When the numbers with same base are multiplied, their powers add up
5^-5/2 * 5^9/2
5^(-5/2 + 9/2)
5^(4/2)
5^2
25