1.3.4 Standard Form, SPM Paper 1 (Short Question)

Question 14: The area of a rectangular public parking area is 7.2 km2 . Its width is 2400 m. The length, in m, of the parking area is Solution: Area = Length × Width Length × 2.400 km = 7.2 k m 2 Length= 7.2 2.4            =3 km            =3000 m            =3× 10 3  m Question 15: It is given that 30 solid metal cylinders each with a … Read more1.3.4 Standard Form, SPM Paper 1 (Short Question)

1.1.2 Significant Figures (Part 2)

1.1.2 Significant Figures (Part 2) 1. Perform combined operations (addition, subtraction, multiplication and division) involving numbers, the final answer is rounded off to specific significant figures.  Example: Find the value of each of the following and give your answer correct to 3 significant figures. (a) 261.9 + 75.6 × 0.7 (b) 0.062 × 30.12 + 1.268 (c)  8.608 ÷ 0.08 … Read more1.1.2 Significant Figures (Part 2)