Question: Please show the steps to answer question 1,2,3 and 4. Thank you. 1. Simplify each expression using exponent laws then evaluate (no decimal answers) [4marks]

Please show the steps to answer question 1,2,3 and 4. Thank you.

1. Simplify each expression using exponent laws then evaluate (no decimal answers) [4marks] a. 647 b. (3 1)2 c. 40 d. 817 2. Simplify. Express your final answer with only positive exponents. [4marks] a. (a"b-3)-2 2ab. -2 b. () 3. Write an equivalent simplified expression using exponents. [3 marks] 3x 2 y* 27x 2y 4. Solve for each unknown. [12 marks] a. 125- = 25(2*+1) b. 9* = 27(2-2x) c. 2*+1 + 23+2 - 48

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