You visited Greece and bought a 157 W light bulb there. The operating voltage in Greece (and most of the European countries) is 240 V. How much electric power is consumed by the blub if you use it in the US where the operating voltage is 120 V, in Watts? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in on in the question statement

You visited Greece and bought a 157 W light bulb there. The operating voltage in Greece (and most of the European countries) is 240 V. How much electric power is consumed by the blub if you use it in the US where the operating voltage is 120 V, in Watts? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in on in the question statement