What is 100 to the power 3 over 2

8 to the power 4 over 3

49 to the power 3 over 2

When y’all answer can y’all explain too !

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.

Need plz been trying to do it for a long time and still haven’t succeeded