Which of the following is equal to 2.1 kW?

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Multiple Choice

Which of the following is equal to 2.1 kW?

Explanation:
2.1 kW equals 2.1 × 1000 W because the prefix kilo- means thousand. So 2.1 kW = 2100 W. That makes the correct value 2100 watts. The other options correspond to different multiples: 210 W is 0.21 kW, 21,000 W is 21 kW, and 2,100,000 W is 2100 kW (2.1 MW).

2.1 kW equals 2.1 × 1000 W because the prefix kilo- means thousand. So 2.1 kW = 2100 W. That makes the correct value 2100 watts. The other options correspond to different multiples: 210 W is 0.21 kW, 21,000 W is 21 kW, and 2,100,000 W is 2100 kW (2.1 MW).

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