Final answer:
When converting £70 at the given exchange rate, Lauren would receive ¥10,500 in Japanese yen.
Step-by-step explanation:
To calculate the amount that Lauren would receive in Japanese yen (¥) when converting £70 at the given exchange rate, we need to multiply £70 by the exchange rate.
Let's assume the exchange rate is 1 £ = 150 Y. Therefore, Lauren would receive ¥10,500 (70 £ * 150 Y/£) in Japanese yen.