The average electricity consumption in US households is 800 kilowatt hours (KWh) per month. How much electricity will be used for 1 million homes?

800,000,000 KWh

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80,000,000 KWh

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8,000,000 KWh

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800,000 KWh

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Solution

The correct option is A 800,000,000 KWh
Average electricity consumption in a home = 800 kWh

Electricity consumption in 1 million homes = 1,000,000 $\times$ 800

To mulitply a number by 1,000,000, we have to add six zeros to the right of the number.

$⟹$ 800 $\times$ 1000000 = 800,000,000 dollars

Hence, the electricity consumption in 1 million homes will be 800,000,000 kWh.

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