If ab = 5 centimeters, bc= 200 centimeters, what is the length of line segment ac

The value √10 and √15 are plotted on the number line

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.