Question

Question #dfb92

Answer 1

`nxxnxxnxxnxxnxxnxxn`

Explanation:

Assumption: The dot in n^3.n^4 means multiply

Have a look at https://socratic.org/help/symbols for formatting.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
`n^3->nxxnxxn`
`n^4->nxxnxxnxxn`

So multiplying these together gives

`nxxnxxnxxnxxnxxnxxn larr` this is 7 n's

So

`n^3xxn^4" "=" "n^(3+4)" "=n^7 =nxxnxxnxxnxxnxxnxxn`