Let's assume your "blanks" are letters x.
[tex]x\times x \times x=27[/tex]
Can be also written:
[tex]x^3=27[/tex]
Now we solve for x using cubic root.
[tex]x=\sqrt[3]{27}=\boxed{3}[/tex]
The blanks are all equal to number 3.
But that is not the only solution.
Hope this helps.
r3t40
