1) 800⁰ = a) 0 b) 1 c) 800 2) 10⁹ × 10 = a) 10⁹ b) 10¹⁰ c) 10 3) 10⁹÷ 10 a) 10 b) 10⁹ c) 10⁸ d) 10¹⁰ 4) What sing of 5⁷ a) positve b) negative 5) 1⁴ = a) 1×1 b) 1×4 c) 1×1×1×1 6) Is 5.321x10 scientific notation a) yes b) no 7) In square all sides are equal but all angles are non equal a) True b) false 8) what is area of rectangle a) W×L b) W×L×H 9) 9×9 a) 9 b) 81 c) 99

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