# Math Help - what does this symbol mean

1. ## what does this symbol mean

un=5*(0.4)^(n-1)

can someone please how is this written manually, i mean the ^ symbol and the *, are these just pc terms, or do they remain the same when written manually, thanks

2. Originally Posted by tracey0245
un=5*(0.4)^(n-1)

can someone please how is this written manually, i mean the ^ symbol and the *, are these just pc terms, or do they remain the same when written manually, thanks

Just PC terms for 'multiplication' and 'to the power of'

3. thank you that clears that little mystery up

4. Originally Posted by tracey0245
un=5*(0.4)^(n-1)
can someone please how is this written manually, i mean the ^ symbol and the *, are these just pc terms, or do they remain the same when written manually, thanks
You can use LaTeX tags to show symbols.
$$u_n=5\cdot (0.4)^{n-1}$$ gives $u_n=5\cdot (0.4)^{n-1}$.

5. ## hi

yes, otherwise this symbol used for mathematical calculation.

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