what is $sqrt{256}$?
what is $sqrt{256}$?
Answer
Answer:
16
Explanation:
Step1: Recall square - root definition
Find a number $x$ such that $x^2 = 256$.
Step2: List perfect - square numbers
$10^2=100$, $15^2 = 225$, $16^2=256$. So $\sqrt{256}=16$.
what is $sqrt{256}$?
16
Find a number $x$ such that $x^2 = 256$.
$10^2=100$, $15^2 = 225$, $16^2=256$. So $\sqrt{256}=16$.