CIE iGCSE Maths E1.14 Using a calculator Exam Style Practice Questions- Paper 2

Question

Calculate $\sqrt[3]{1 + 10.9 \times 0.4^{2}}$.

▶️ Answer/Explanation

Solution

Ans: 1.4

First calculate $0.4^2 = 0.16$.

Then multiply: $10.9 \times 0.16 = 1.744$.

Add 1: $1 + 1.744 = 2.744$.

Finally take cube root: $\sqrt[3]{2.744} = 1.4$.