Question

find the square root of 6400​

Answer 1

Answer:

Write 6400= 2×2

2×2

×

2×2

×

2×2

×

5×5

×

Therefore

6400

=2×2×2×2×5=80

Answer 2

We r supposed to find it's square root....this can be done by prime factorisation

Here is ur answer mate:-

• first, finding square root of √6400, we get,

2 | 6400

2 | 3200

2 | 1600

2 | 800

2 | 400

2 | 200

2 | 100

2 | 50

5 | 25

5 | 5

| 1

√6400 = √2×2×2×2×2×2×2×2×5×5

• taking each number from each group, we get

√6400 = 2×2×2×2×5

√6400 = 80

Hence, √6400 = 80

i.e square root of 6400 is 80