Edexcel IGCSE Math A 1.11.A scientific calculator results

Practise calculator-result questions by entering the full expression correctly and recording all displayed figures before rounding.

Exam points

Enter powers, roots, brackets and divisions so the calculator follows the expression.
Record the displayed decimal to at least the required number of figures before rounding.

[Maximum number: 2]

Use your calculator to work out the value of

\frac{7.45}{4.3^{2}-2.9}

Give your answer as a decimal.
Write down all the figures on your calculator display.

Final answer:
$0.4778704298\ldots$

A1 must have a minimum of 5 decimal places.
M1 for calculating the denominator, an answer with 3 or 4 decimal places, or the correct fraction $\frac{745}{1559}$ .

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1.11.A Using a scientific calculator question 1