There are 26 tiles in a bag. of these, 15 are purple, and the rest are yellow. what are the odds in favor of drawing a yellow tile?

a. 11: 26
b. 15: 26
c. 11: 15
d. 15: 11

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?