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
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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 |
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| Conclusion | |||
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