Show steps

. Write as a single power, then evaluate Express-s/airswers in ratignal form. at 16 V2 4 m (V) a) VEVE b) ?5 c) 75 ) T . Evaluate. l l a] 492 + 162 d) 128\"; 1150""5 g a 3 b) 273 81' e) 162 + 16\"\" + s 273 z a _1 L 2 s c) 164+164-814 t)812+/325+164 . Write as a single power, then evaluate. Express answers in rational form. 4 l 64; (16-2.5)-.2 45 40.3 __ __ a) ( ) c) 64 e) 16% _ v1 2 2.5 I.) wouomg) cl) 27-. f) 25375; 27'3 (3 ) . Predict the order of these six expressions in terms of value from lowest to highest. Check your answers with your calculator. Express answers to three decimal places. 5 a) V623 c) J310.24 c) 17.55 2 _ 2 b) 1253 d) 80.9: n 21.42 9. Use your calculator to determinc the values of??? and 271333. Compare the two answers. What do you notice? 10. Explain why (-100)U-2 is possible to evaluate while { 100)\"5 is not. 12. Evaluate. -2560.375 c) -0.0274 e) V (0.0016) 3 b) 15.6253 d) (-3.375) WIN f) (-7776) 16 13. The power 4' means that 4 is multiplied by itself three times. Explain the meaning of 42.5. 14. State whether each expression is true or false. a) 92 + 42 = (9 + 4)2 d) X = ab 6 b) 92 + 42 = (9 x 4)2 e) x + = x2 -y2 c) = atb f) 15. a) What are some values of m and n that would make ( -2) " undefined? T b) What are some values of m and n that would make (6) " undefined?1E. 17. 18. Given that x\" = 3!", what could at and y be? Is there a way to nd the answer graphically? Mary must solve the equation 1.225 = (1 + i) '2 to determine the value of each dollar she invested for a year at the interest rate 3' per year. Her friend Bindu suggests that she begin by taking the 12th root of each side of the equation. Will this work? Try it and solve for the variable 1'. Explain why it does or does not work. Solve. 1 a) i): _ jg = 2 (16 27 V: '03 \\jgW+15=W