Explore IDNLearn.com to discover insightful answers from experts and enthusiasts alike. Join our community to receive prompt and reliable responses to your questions from experienced professionals.

the square root of 4,356 is an integer. without a calculator , determine what the integer is by eliminating possibilities.

Sagot :

it's more than 3600, so its greater than 60.
it's less than 4900, so its less than 70.
a no.'s root can end with six if the no. ends with 4 or 6.
so the no is either 64 or 66.
Now if it's 66, the square must be greater than sq of 65.
65 sq= 4225
the given no. is greater than sq of 65.
Therefore the number is 66.