undo
To solve an equation it is sometimes helpful to do what to the original operation?
undo the original operation
undo
sometimes they are helpful and harmful.
By a power of ten.
Chemical equations are representative for chemical reactions.
Sometimes
Yes they can
True. In geometry it is sometimes helpful to group objects and look at similarities between them.
Yes, Being skeptical is helpful. Because it tells how original are you. You can't be easily persuade.
True. In geometry it is sometimes helpful to group objects and look at similarities between them.
Having an agreed order of operation helps in that it means less brackets (parentheses) are needed in an expression (making it less messy) to get the same (correct) answer.