Which of the following are square roots of the number below? Check all that apply. 400

C, D, E, F

Step-by-step explanation:

It can also be written as:

Sqrt(a) = a^½

So, for our case:

Sqrt(400)=400^½ or -400^½ or -20 or 20

Each of these numbers multiplied by itself will give you 400.

Answers: C, D, E, F

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this