By how much will the value of the number 4,372 increase if the 3 is replaced with a 9?
A)6
B)60
C)600
D)6,000

Question

Quizplus · Accepted Answer

The difference between 3 and 9 is 6. When a digit is replaced with another digit, the value of the number increases or decreases by the difference between the original digit and the new digit multiplied by the place value of the digit. In this case, the place value of the digit is 100, so the increase in value would be 6 x 100 = 600. Therefore, the answer is C) 600.

By How Much Will the Value of the Number 4,372