QUESTION 15 (1 mark) The height of a plant is given as 64 centimetres. Use the formula
absolute error
Relative error = +
recorded value
to find the relative error of this measurement, correct to 2 significant figures.

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

Two lines that do not intersect are skew. always sometimes or never