Question
Calculate \(\frac{5.27-0.93}{4.89-4.07}\)
Give your answer correct to 4 significant figures.
Answer/Explanation
Ans:
5.293 cao
Question
Write 23.4571 correct to
(a) 4 significant figures,
(b) the nearest 10.
Answer/Explanation
Ans:
(a) 23.46 cao
(b) 20 cao
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