# How do you simplify #-sqrt(1.96)#?

##### 1 Answer

Jul 17, 2016

#### Explanation:

It is very useful to know the squares of the numbers up to 20 by heart.

In this case, it is obvious that we are working with a root of 14, but is it 14, 1.4 or 0.14?

When working with square roots of decimals, pair the decimals from the decimal point. For each pair there must be a decimal place.

IN this case, it is obvious that we are working with a root of 14,

but is it 14, 1.4 or 0.14?