State the absolute error of a measurement of $30$30 kg, which was measured to the nearest kilogram.

State the absolute error of a measurement of $400$400 grams, which was measured to the nearest gram.

State the absolute error of the amount $\$700$$700, which was calculated to the nearest $\$10$$10.

Consider the image of a tape measure below and answer the following questions.

solves problems involving quantity measurement, including accuracy and the choice of relevant units