When the nth root of a is written, it is the positive value that is shown

The nth root of a is always positive unless, a < 0 and "n" is an odd number. Also if a < 0 and "n" is an even number, then it's an imaginary number. I hope this helps a lot

Wednesday1.) < 2.) 1961015.)6.486.)68.761 can be rounded up to 69i can't truly see the rest and my next comment will be thursday