Using a Calculator (Cambridge (CIE) IGCSE Maths: Extended): Exam Questions

Use a calculator to find the decimal value of  $\frac{\sqrt{29-3\times {32}^{0.4}}}{3}$.

Calculate

$\frac{16.379-0.879}{4.2}\times 1.241$

Give your answer correct to 2 significant figures.

Calculate $\sqrt{{256}^{0.25}+4\times 8}$.

Calculate $\sqrt[3]{8.1^2-1.3^{0.8}}.$

$\sqrt[3]{2^3+2}$

Calculate $\sqrt{17.8}-1.3^{2.5}$.

Use your calculator to work out $\sqrt{1-{(\sin 33°)}^2}.$

Work out                       $\sqrt{\frac{2.5\times \sin 43°}{8.2^2-50.5}}$

Give your answer correct to 3 significant figures.

Use your calculator to work out $19.{42}^2–\sqrt[3]{1006}÷4.95$

Write down your full calculator display.

Use approximations to check that your answer to part (a) is sensible.

You must show your working.

Use your calculator to work out $\frac{{29}^2-4.6}{\sqrt{35-1.9^3}}$

Write down all the figures on your calculator display.

Write your answer to part (a) correct to 4 significant figures.

Use your calculator to work out $\sqrt{\frac{\sin 25°+\sin 40°}{\cos 25°-\cos 40°}}$

Write down all the figures on your calculator display.

Write your answer to part (a) correct to 2 decimal places.