Mathematics, 20.09.2019 03:10 chloerojassbusiness

A60-watt light bulb uses 60 watt hours of electricity in 1 hour. suppose everyone in the
united states left one unneeded 60 watt light bulb on for one hour every day for a year.
9. electricity is billed in kilowatt hours. so 60 watt hours is equal to sixty
divided by one thousand. express the electricity used by a 60-watt light
bulb in one hour in kilowatt hours in scientific notation.

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A60-watt light bulb uses 60 watt hours of electricity in 1 hour. suppose everyone in the
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