Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 5 - No. 30)
Which of the following statements is true regarding the use of conversion graphs?
They provide exact conversion values.
They can only provide approximate conversion values.
They are useful for converting different currencies.
They are useful for converting different units of measurement.
Giải thích
Conversion graphs are approximations and used for unit conversions.