Answer:
4th option (sqrt(10))/2
Step-by-step explanation:

Harry’s hero will save a total of 4,380 lives
Answer:
I would say 2,3,4.
Step-by-step explanation:
I hope this helps and i hope this is the right answer
Answer:
An exponent
Step-by-step explanation: So if we have 83, we want to multiply three 8s, or 8 * 8 * 8. A root is basically the opposite. We're trying to find the number that we multiply by itself a certain number of times to get the number under the radical sign.
He spent $5.80.
1 x 4/5 = 0.8
1 x 5 = 5