Algebra

$$-4r^3\times-r^2$$ can be simplified to give:

The product of $$-abc$$ , $$-5a$$ and $$-2a$$ is:

$$\frac{f^8\times f^6}{f^{10}}$$ simplifies to:

$$\frac{15x^9\times3x^6}{9x^{10}\times x^4}$$ simplifies to:

$$\frac{-36k^4n^3}{9n^2k^3}$$ simplifies to:

$$\frac{42x^5y^7z^6}{14x^4y^2z^3}$$ simplifies to:

$$\frac{a^8\times b^5}{a^2\times a^6}$$ simplifies to:

$$\frac{3c^7\times8d^4}{12c^3\times4c^4}$$ simplifies to:

$$\left(k^2\right)^3\times\left(k^5\right)^2$$ simplifies to:

$$\frac{\left(b^5\right)^4}{\left(b^3\right)^5}$$ simplifies to: