If $2\times8=16$2×8=16, what is $20\times8$20×8?

Using your knowledge of place value, solve these related number facts.

If $4\times8=32$4×8=32, what is $4\times80$4×80?

If $4\times16=64$4×16=64, what is $0.04\times16$0.04×16?