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Simplify the following algebraic expressions: 1) (6a2 b2)/(3a5 b3) 2) (45x3 b7)/(3x4 b2) 3) (21t3 y + 7t2 y2 + 28ty7)/(14t5 y3)

Mathematics

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Here are the solutions for simplifying the algebraic expressions:

1) Simplify 6a2b23a5b3\frac{6a^2 b^2}{3a^5 b^3}

  1. Simplify the coefficients and apply the exponent rule xmxn=xm−n\frac{x^m}{x^n} = x^{m-n} to the variables.

    6a2b23a5b3=63⋅a2−5⋅b2−3\frac{6a^2 b^2}{3a^5 b^3} = \frac{6}{3} \cdot a^{2-5} \cdot b^{2-3}
  2. Perform the subtractions in the exponents and simplify the fraction.

    2⋅a−3⋅b−12 \cdot a^{-3} \cdot b^{-1}
  3. Rewrite terms with negative exponents using x−n=1xnx^{-n} = \frac{1}{x^n}.

    2a3b1\frac{2}{a^3 b^1} 2a3b\boxed{\frac{2}{a^3 b}}

    2) Simplify 45x3b73x4b2\frac{45x^3 b^7}{3x^4 b^2}

  4. Simplify the coefficients and apply the exponent rule xmxn=xm−n\frac{x^m}{x^n} = x^{m-n} to the variables.

    45x3b73x4b2=453⋅x3−4⋅b7−2\frac{45x^3 b^7}{3x^4 b^2} = \frac{45}{3} \cdot x^{3-4} \cdot b^{7-2}
  5. Perform the subtractions in the exponents and simplify the fraction.

    15⋅x−1⋅b515 \cdot x^{-1} \cdot b^5
  6. Rewrite terms with negative exponents using x−n=1xnx^{-n} = \frac{1}{x^n}.

    15b5x1\frac{15b^5}{x^1} 15b5x\boxed{\frac{15b^5}{x}}

    3) Simplify 21t3y+7t2y2+28ty714t5y3\frac{21t^3 y + 7t^2 y^2 + 28ty^7}{14t^5 y^3}

  7. Divide each term in the numerator by the denominator.

    21t3y14t5y3+7t2y214t5y3+28ty714t5y3\frac{21t^3 y}{14t^5 y^3} + \frac{7t^2 y^2}{14t^5 y^3} + \frac{28ty^7}{14t^5 y^3}
  8. Simplify each fraction by dividing coefficients and applying the exponent rule xmxn=xm−n\frac{x^m}{x^n} = x^{m-n}.

    32t3−5y1−3+12t2−5y2−3+21t1−5y7−3\frac{3}{2} t^{3-5} y^{1-3} + \frac{1}{2} t^{2-5} y^{2-3} + \frac{2}{1} t^{1-5} y^{7-3} 32t−2y−2+12t−3y−1+2t−4y4\frac{3}{2} t^{-2} y^{-2} + \frac{1}{2} t^{-3} y^{-1} + 2 t^{-4} y^4
  9. Rewrite terms with negative exponents using x−n=1xnx^{-n} = \frac{1}{x^n}.

    32t2y2+12t3y+2y4t4\frac{3}{2t^2 y^2} + \frac{1}{2t^3 y} + \frac{2y^4}{t^4} 32t2y2+12t3y+2y4t4\boxed{\frac{3}{2t^2 y^2} + \frac{1}{2t^3 y} + \frac{2y^4}{t^4}}

    4) Simplify 33p0z3−11p2z322p5z2\frac{33p^0 z^3 - 11p^2 z^3}{22p^5 z^2}

  10. Simplify p0=1p^0 = 1.

    33(1)z3−11p2z322p5z2=33z3−11p2z322p5z2\frac{33(1)z^3 - 11p^2 z^3}{22p^5 z^2} = \frac{33z^3 - 11p^2 z^3}{22p^5 z^2}
  11. Divide each term in the numerator by the denominator.

    33z322p5z2−11p2z322p5z2\frac{33z^3}{22p^5 z^2} - \frac{11p^2 z^3}{22p^5 z^2}
  12. Simplify each fraction by dividing coefficients and applying the exponent rule xmxn=xm−n\frac{x^m}{x^n} = x^{m-n}.

    32p0−5z3−2−12p2−5z3−2\frac{3}{2} p^{0-5} z^{3-2} - \frac{1}{2} p^{2-5} z^{3-2} 32p−5z1−12p−3z1\frac{3}{2} p^{-5} z^1 - \frac{1}{2} p^{-3} z^1
  13. Rewrite terms with negative exponents using x−n=1xnx^{-n} = \frac{1}{x^n}.

    3z2p5−z2p3\frac{3z}{2p^5} - \frac{z}{2p^3} 3z2p5−z2p3\boxed{\frac{3z}{2p^5} - \frac{z}{2p^3}}
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