How did she get (.46) for this calculation?

staystrong3
i know how she got everything else but i keep calculating and im not getting (.46) for that part? i attached an image. thanks in advance!
How did she get (.46) for this calculation?
Updates:
3 mo
i am doing the square root and i keep getting (.42) ?
How did she get (.46) for this calculation?
2
1
Add Opinion