1mark 2018 ACS P6 Paper1 SA1 P6 / ACS / 2018 / SA1 / Paper 1 – Q16 [1 mark] Question: Express 6.45 as a mixed number in its simplest form. Solution: Similar Posts P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q06 [1 mark] P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q20 [1 mark]