Question

Find the product of the largest 3-digit number and the largest 5-digit number.

Answer 1

Largest three-digit number = 999
Largest five-digit number = 99999
∴ Product of the two numbers = 999 × 99999
= 999 × (100000 − 1) (Using distributive law)
= 99900000 − 999
= 99899001