How do you find the square root 189?
Find the square root using prime factorization method:
The prime factors of 189 are
189=3×3×3×7
Therefore the square root of 189 is
189=3×3×3×7⇒189=3×3×3×7⇒189=321
Hence, the square root of 189 is 321.
How do you find the cube root of a decimal??