There is one negative number. Do you think the answer is a negative, out of the answer choices they gave you? it could be a positive. I DON'T know the answer. This is just a tip for you
Answer:

Step-by-step explanation:
Square root of 9 is 3
20 is 4.472135955
27 is 5.19615242271
4.5 is intantly wrong because it is rational.
The answer should be 3 since its the absolute value and thats just how far a number is from 0 so it would be 8-5=3
Answer:8x10^-8
Step-by-step explanation:I am brainlyest
Answer:
the answer is the first choice please mark me brainliest