Question: what is the square root of a decimal number?
Answer: Find The Square Root Of A Decimal : Example Question #8 To find the square root of this decimal we convert it into scientific notation. Because has an even exponent, we can divide the exponenet by 2 to get its square root. The square root of 36 is 6, so the square root of 40 should be a little more than 6, around 6.32.