which of the following is a rational number square root of 15, square root of 16, square root of 21, square root of 22.

16

Step-by-step explanation:

16s square root is 4 and 4 can be written as a fraction

Therefore, 4 is a rational number

And to the conclusion 16 is the answer

please mark brainliest =}

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

2

step-by-step explanation: