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Mathematics, 30.04.2021 16:20 AbbypiePink4942
The total use of electricity in the United States was 0.4 trillion kilowatt-hours in 1950 and about 2.8 trillion kilowatt-hours in 1990. How many times more electricity was there in 1999 than 1950? Use scientific notation
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The total use of electricity in the United States was 0.4 trillion kilowatt-hours in 1950 and about...
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