kWh Costs Answer

Here is the completed table. How did you get on?

Object	Power	Time used	Units used (kWh)	Cost
hairdryer	1·2 kW	30 minutes	0·6	4·8 p
light bulb	100 W	20 hours	2	16 p
microwave oven	800 W	45 minutes	0·6	4·8 p

That's it in this section for now. More soon!

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