What is the square roots of 0.0004?
It can help to write the number in scientific notation:
The square root of a product is the product of the square roots:
Now use the property
So, the answer is
#"note that "100xx100=10000#
To find the square root of a number:
group the digits into pairs, starting from the decimal point.
The number of pairs is the same as the number of place holders in the square root.
find the square root