## Answer :

9 is the highest 1 digit number.

999 is the highest 3 digit number.

999 × 9 = 8991

The greatest possible product is

**8,991**.

as big as they can be.

The greatest possible 3-digit number is 999 .

The greatest possible 1-digit number is 9 .

Their product is (999 x 9) =

*8,991 .*