In a house 150 units of energy is used during a...

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In a house, 150 units of energy is used during a month. What will be the amount of this energy in joules?

A. 9 × 10⁸ J

B. 5.4 × 10⁸ J

C. 5 × 10⁸ J

D. 10 × 10⁸⁵ J

Answer: Option B

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