caption: Does the answer have the right number of significant digits
exif: {"Image DocumentName": "Does the answer have the right number of significant digits?", "Image ImageDescription": "2.2 X 1015 molecules. K2S2O grams. = 6.02 X molecules. K2S2O8. K = 2 X 39 = 78. S = 2 X 32 = 64. O = 8 X 16 = 128. Does the answer have the right. number of significant digits? X g K2S2O8.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}