AyrtonU119168 AyrtonU119168

29-10-2022
Physics

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If I leave the 100 watt bulb on for a week (7 days, 24 hours a day) how much would it cost me? 1.0KWII costs S0.16. (1 pt) PE

If I leave the 100 watt bulb on for a week 7 days 24 hours a day how much would it cost me 10KWII costs S016 1 pt PE class=

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RachaelQ601971 RachaelQ601971

29-10-2022

A week has a total of:

[tex](7)(24)=168\text{ }[/tex]

hours. This means that we we use a total of:

[tex](168)(100)=16800\text{ W}=16.8\times10^3=16.8\text{ KWH}[/tex]

Then we spend:

[tex]16.8(0.16)=2.69[/tex]

Therefore, it will cost $2.69

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