40,000 is 10 times as much as
\(40,000=\boxed{?}\times10\\\\\boxed{?}=40,000:10\\\\\boxed{?}=4,000\\\\check\\\\4,000\times10=40,000\ :)\\\\Your\ answer:\boxed{4,000}\)
40,00 is 10 times as much as 400