I know there are at least two of us in need of this thread! We can compare knowledge, check answers, and ask questions in the hope that the odd maths buff might look in occasionally to impart to us his wisdom!

Tonight I have learnt about scientific notation and can (usually successfully!) convert it into decimals and back again!

But (puzzled) is expressing something as whatever x 10 to the power of whatever the same as Standard Form? I~~ was supposed to learn~~ learnt this at school, and it seemed much more tricky!