Question
Use your calculator to work out \(\sqrt{10+0.6\times (8.3^{2}+5)}.\)
Answer/Explanation
Ans: 7.37 or 7.371…
Question
(a) Calculate \(\sqrt{5.7} – 1.03^2\)
Write down all the numbers displayed on your calculator.
(b) Write your answer to part(a) correct to 3 decimal places.
Answer/Explanation
Ans:
(a) 1.32656…
(b) 1.327
Question
(a) Use a calculator to work out \(\frac{5^{0.4} – \sqrt{3}}{0.13 – 0.015}\)
Write down all the digits in your calculator display.
(b) Write your answer to part (a) correct to 2 significant figures.
Answer/Explanation
Ans:
(a) 1.49220……
(b) 1.5