A level Physics AQA calculations
When completing calculation questions which involve the calculator, do you lose marks for using your rounded value for the next part of the question? Should you always use the original long value on the calculator for the next part? Also, should values in physics be rounded to 2sf or 3sf? Information on calculations would be helpful!
As a rule of thumb only round your final answer. Write them down rounded or as fractions, but rounding too early will mean that you get the wrong answer.
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