A Decimal System is a number system based on 10
In decimal system, any number can be written by using ten basic digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
In decimal system, each digit in a number has a place value, so it is also called 'place-value system'.
The value of 6 in 162 is 60 and its value in 615 is 600.
So, the value of the digits depends on where they are placed in
A. 224
B. 422
C. 9,933
D. 22,244
Correct Answer: A
Step 1: Only the whole number 224 has 2 in both its tens and its hundreds place.