use prime factorization method to find factors
Think of a number that multiply by itself to give 9 at units place.
Step I: Make the number of decimal places even by affixing a zero if required Step II: In the integral part, mark the periods as done while finding the square root of a perfect square of some number. Step III: In the decimal part, mark the periods on every pair of digits beginning with the first decimal place. Step IV: Now, find the square root by long division method. Step V: Put the decimal point in the square root.
Use the prime factorization division method.
Square-based on one's digit.
Hint: Let the number of amount donated by each student in class is ₹x
x times x = 3,969.
Solve it to get the answer.
Hint: By looking at the number we cans ay that it lies between 25 and 30 .
Use division method
write all prime factors of 324
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