Correct Answer - Option 3 : 40
Given:
Number is 709468
Calculation:
In the given number 709468,
Place value of 4 = 400
And, Face value of 4 = 4
Square root of 400 = √400 = 20
Square root of 4 = √4 = 2
So, Product = 20 × 2 = 40
Face value is simply defined as the digit itself within a number.
Place value of a digit should be multiplied by the digit value of the position where it is located.