The ratical, or square root, of 20 is approximately 4.472135954999579
20
Here is an example, radical 20 plus radical 5. Now radical 20 is 2(radical 5) so we can add radical 5 and 2 radical 5 and we have 3 radical 5.
The population of Radical Performance Engines is 20.
Nothing it is simplified
√400 = 20, -20
the letter i means a complex number. it means square root of -1. whenever you have numbers outside the radical all you have to do is square them to get them inside the radical.so square i and square 2i2 radical 20 is the same are your new form... radical negative 80but your numerical answer is 8.94i
2√5
2√5
sqrt(12)*sqrt(20) = sqrt(12*20) = sqrt(240) = sqrt(16*15) = sqrt(16)*sqrt(15) = 4*sqrt(15)
√32 * √20 = √(32*20) = √(640) = √(2*2*160) = 2√(160) = 2√(2*2*40) = 4√(40) = 4√(2*2*10) = 8√10
Sqrt(20) = sqrt(5)*sqrt(4) = 2*sqrt(5)
It would be 20 radical 109, or about 208.8061302