Algebraic Techniques, SM-Bank 146 State the highest common factor of \(27ab^2c\ \text{and}\ 3a^2b^2c\). (1 mark) Show Answers Only \(3ab^2c\) Show Worked Solution \(\text{HCF of}\ 27\ \text{and}\ 3=3\) \(\text{HCF of}\ ab^2c\ \text{and}\ a^2b^2c=ab^2c\) \(\therefore\ \text{HCF of}\ 27ab^2c\ \text{and}\ 3a^2b^2c=3ab^2c\)