Exponents, Radicals, & Scientific Notation

Radical Expressions

3. What is the value of the expression when x = —1 and m = —16 ?

5. If square root of a = b and b = 9, a=?

16. Which of the following expressions is equivalent to x3 ?

26. What is the value of √(a2 + b2) when a = √5 and b = √10 ?

'28. Which of the following expressions is equivalent to
~256x 16 ?

31. Which of the following expressions is equal to 3 9

55. What are the real number values of x that make the equation 4√x^12 = x^3 true?

56. Whenever j and k are positive integers such that (square foot of 3)^j = 27^k, what is the value of j/k ?

56. For all positive integers x, which of the following expressions is equivalent to x · x ?