用英语怎么表达正确

If Casey is correct, the total cost of the cleanup would come to$ 110 billion.

如果凯西是对的，清理的总花费将达1,100亿美元。

These prices are correct at the time of going to press.

这些价格在付印时是准确无误的。

I think you've made the correct decision.

我认为你的.决定是正确的。

Do you have the correct time?

你的表走得准吗？

What's the correct way to shut the machine down?

这台机器该怎么关呢？