Canvas Creations - Canvas Printing - Image Resolution Requirements

Image Resolution Requirements for 8 x 10 Custom Printed Canvas -pixels ( what does this mean? )

How do i find the resolution of my image?

	Portrait	Landscape	PPI
	1800 x 2400	2400 x 1800	300
	1500 x 2000	2000 x 1500	250
	1200 x 1600	1600 x 1200	200