Q 1: Find the value of 3(2x1), when x=9? 51 45

Q 2: Write 4.x.x.x.y.y in exponent form? 4(xy)^{3} 4x^{3}y^{2}

Q 3: Write the coefficient of a in 4a? 4 4a

Q 4: Simplify, 4x^{2}.2x^{3} = _____? (8x)^{5} 8x^{5}

Q 5: Simplify, [(x)^{7}]^{2} = _____? x^{7} x^{14}

Q 6: Simplify, x^{2}.9x^{3} = _____? 9x^{5} (9x)^{5}

Q 7: Simplify, [(2x)^{2}]^{2} = _____? 16x^{4} 16x^{2}

Q 8: Find the value of a^{7} when a=1? 7 1

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