James measured his hand it was 0.17 meters . jennifer measured her hand it was 0.165 meters whose hand is bigger how do you know . exlpain.

James’ hands are 0.17 meters as he measured it while Jennifer’s hands measures 0.165 meters.
Now, whose hands is bigger.
=> 0.17 meters > 0.165 meters
=> Therefore James’ hands are bigger compare to Jennifer’s hands, because James got a bigger value of hundredths place than of Jennifer.
Though Jennifer’s hands measurement can be rounded up to 0.17, still by default it was James who measured bigger than her.
We’re talking about the actual size of their hands, not the approximate.

B, 0.4 repeats so it is rational and square root of 16 is 4 so that is rational as well.