Respuesta :

A city that uses ten billion BTUs (British Thermal Units) of energy each month is using 2.9 x 106 kilowatt-hours.

KWh, kW-h or kW h which stands for kilowatt hour is the amount of energy that is equal to the usage of one thousand watts for an hour. 

A city that uses ten billion dollars of energy per month is using 2,932.10⁶ Kwh of energy

Further explanation

There are various forms of energy. One of them is electrical energy

Electrical energy arises because of an electric field

There is also heat energy which is energy that is affected by temperature. Heat energy, or can be called thermal energy, moves from a process that has a high temperature to a low temperature

The energy possessed by electrical equipment is usually measured and is charged using kWh units.

BTU is one unit of heat energy other than Joule unit

1 Btu is the amount of heat needed to raise the temperature of 1 pound (approximately 454 grams) of water by 1 Fahrenheit. (F)

The conversion into KWh is 1 Btu = 2,931.10⁻⁴ Kwh

A city, it requires ten billion btus of energy per month, or in scientific notation: 10.10⁹  BTU

So that when converted to KWh it becomes:

10.10⁹ BTU = 10.10⁹.2,932.10⁻⁴ Kwh

= 2,932.10⁶ Kwh

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Keywords: BTU, KWh, Joule, thermal energy

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