Algebraic Roots & Indices (Edexcel IGCSE Maths A: Foundation): Exam Questions

Simplify $a^2\times a^7$

Simplify ${\left(2c^4{d}^7\right)}^3$

Find the value of $5y^0$ where $y>0$

Simplify ${\left(b^{11}\right)}^3$

Simplify $5g^{-2}{h}^3\times 6g^{-3}{h}^7$

Simplify $h^{15}÷h^3$

Simplify fully ${\left(2g^3{k}^5\right)}^4$

Given that $\frac{y^5\times y^n}{y^7}=y^{12}$

work out the value of $n$