If the product of 2 identical numbers is 441 find one of the numbers
full process please ​

21

Step-by-step explanation:

let n be the identical number, then

n² = 441 ( take the square root of both sides )

n = = 21

The the identical numbers are 21

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

hope this .

x = 3 ± √(5+y)