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Multiply Variable Expressions

Multiply the terms. 

  1. $x \cdot x = \mathbf{x^2}$
  2. $y \cdot y^2 \cdot y^3 = \mathbf{y^6} $
  3. $2x \cdot 4x^3 \cdot 9x^{12} =\mathbf{72x^{16}}$
  4. $a^2 \cdot b^4 \cdot 6c^3 = \mathbf{6a^2b^4c^3}$
  5. $x^2 \cdot 4x^3 \cdot 3xy^3 = \mathbf{12x^6y^3}$
  6. $(5abc)(3bc)(2ac) = \mathbf{30a^2b^2c^3}$
  7. $(3x^2y^3)(3xyz)(6x^6y) = \mathbf{54x^9y^5z}$
  8. $(2x^2)(3xy^7)(5ac)(7a^3c^5) = \mathbf{210a^4c^6x^3y^7}$
  9. $(\dfrac{1}{2}a^2)(4b^4)= \mathbf{2a^2b^4}$
  10. $\dfrac{a}{b^2} \cdot \dfrac{b^5}{a^7} \cdot \dfrac{1}{5} = \mathbf{\dfrac{1ab^5}{5a^7b^2}=\dfrac{1b^3}{5a^6}}$