Hello, first post for me so I am sorry if this is in the wrong topic.(adsbygoogle = window.adsbygoogle || []).push({});

I'm am from the UK studying A-Level Physics.

I understand some formulas but this is testing me. Before I message my tutor I thought I would try here. Looks like a very useful website.

Letters in expressions and formulas.

v2 = u2 + 2as

I normally understand maths when I know the rules.

2 × 5 is written as 2 × 5 or 10

2 × a is written as 2a

a × b is written as ab

I don't seem to understand this and I can't seem to find helpful information and I will not skip the page.

Sorry if this is in the wrong topic and thank you for your help.

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# Letters in expressions and formulas

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