What are the lower bound estimate and the upper bound estimate found by rounding to the greatest place? 672 – 324 a. lower bound 300 upper bound 500 b. lower bound 200 upper bound 300 c. lower bound 200 upper bound 400 d. lower bound 300 upper bound 400

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: