1 of 8 0-day streak

Apply percentage changes and compare percentage errors

Question 1 of 8

Calculator allowed

Reading A: the stated reference is 400.00 g and the reading is 272.00 g. Treat the positive reference as exact

Reading B: the stated reference is 75.00 g and the reading is 54.00 g. Treat the positive reference as exact

(a)1 mark

For reading A, calculate the percentage error

Keep the answer exact; do not round

Reading A percentage error (%)

Format: Give an exact whole number or decimal or fraction

(b)1 mark

For reading B, calculate the percentage error

Keep the answer exact; do not round

Reading B percentage error (%)

Format: Give an exact whole number or decimal or fraction

Identify the reading with the smaller relative error, or state that the errors are equal. Use exact ratios before rounding

Reading A has the smaller relative error

Reading B has the smaller relative error

The relative errors are equal