Question

Find the least number which must be added in 8400 to obtain a perfect square. Find the square root of that number. Please explain​

Answer 1

Answer:

lest number = 64

lest number = 64√8464 = 92

Step-by-step explanation:

8400 is in between the squares of the numbers 91 and 92. So;

92² -91²=64

so 64 should be added to 8400 to get perfect sqaure.

√8400+64 = √8464 = 92.