“Three decimal places” is the same as “the nearest thousandth.” So, for example, if you are asked to round 3.264 to two decimal places it means the same as if your are asked to round 3.264 to the nearest hundredth. Some questions, like the example below, will ask you to “show your answer correct to two decimal places."
The simplest form can be 13/3: 7 or 4.3:7
4.35 & 4.34. Just try to find two numbers that can add up to 8.69. There are many different answers such as 2.69 and 6, 3.98 and 4.71, etc.
It is 450 liters in 2 days
