LSCPHYS1: The use of Scientific Notation and significant figures in measurements Assignment

Exercise

State the number of significant figures in the followi measurements:

(a) 300 cm

(b) 0.105 km (c) 0.050 g (d) 5.1090 m2

Exercise 2

A rectangular block of wood has a length of 5.24 cm, a height of 3.645 cm and a width of 0.63 cm.

Calculate the volume of the block of wood. Give the answer to the appropriate number of significant figures and decimal places

Activity 2. 10: Solving a problem using the scientific method

	What you need ·         A radio which does not work but with old dry cells inside. ·         A pair of new dry cells. What to do a)      Copy the table below in your book. b)      Use the guideline provided in steps 1 – 6 above to carry out an investigation to identify the problem with the torch and record your results in Table 2.2 below. Table 2.2
		Observation
		Question
		Theory
		Prediction
		Experiment
		Conclusion