Question

• What will be the maximum number of
digits possible in the sum if we add two
4-digit numbers?
• What is the difference between 7 times
9 and 9 times 10?
​

Answer 1

Answer:

5 digit

Step-by-step explanation:

The biggest 4 digit number is

9999

if we add it to it

9999 + 9999 = 19,998

which is 5 digit