Which side lengths form a right triangle?

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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?