Why reading a decimal number correctly to write it as an equivalent fraction?

Look at attachment. has all info needed. need

How do you convert 1.27 to a percentage

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2