Question

find the product of largest tow digit number and largest three digit number using suitable property

Answer 1

Largest 2 digit number = 99          ---------- (i) 

Largest 3 digit number = 999       ----------- (ii)

Product of (i) and (ii) is

 = 99 * 999

= 99 * (1000 - 1)

= 99 * 1000 - 99

= 98901

Answer 2

largest two digit number is 99
largest three digit number is 999
their sum =99+999
=1098