Amissing fraction on a number line is located exactly halfway between 3/6 and 5/6 . what is the missing fraction?

What is the lcm of 16 and 40 ? 24 and 40 ?

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?

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?