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1. |
A shop consumed 250 units of energy in a month. How much energy was consumed in joules? |
A. | 9 × 10-8 J |
B. | 9 × 10-7 J |
C. | 9 × 108 J |
D. | 9 × 107 J |
Answer» D. 9 × 107 J | |