Question

what is the
squere root of 400​

Answer 1

Answer:

$\\ = \sqrt{400} \\ = \sqrt{20 \times 20 } \\ = 20$

hope it helped

Answer 2

Answer:

20

Step-by-step

2   /  400

2  /   200

2 /    100

2 /    50

5 /    25

5 /   5

      1

400 = 2 × 2× 2× 2×2 × 5 × 5

       =  [ 2×2×5] × [2×2×5]

       = 20×20

      =  20²

√400 = 20