Question

Part A: Use the properties of exponents to explain why 64 raised to the power of 1 over 2 is called the square root of 64.

Part B: The length of a rectangle is 7 units and its width is square root of 7 unit. Is the area of the rectangle rational or irrational? Justify your answer.

Answer 1

part A, use the property of exponent :

Answer 2

i can't read that

Answer 3

part B :
area = length * width = 7 sqrt(7) (it is an irrational number)