Move the decimal to the right until it's a single digit number, because you are moving it to the right, it would be a negative number. If you are able to round up then please do. Remember to check your significant figures if you're in chemistry.
9-[12(5)] you start with the innermost parenthesis
9-[60] multiply
51. Subtract
P(parentheses)
E (exponents)
M
D (multiply and divide for on left to right)
A
S ( add and subtract from left to right)
