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.
Yes they can
Sometimes
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.
Sometimes bacteria can be helpful. If we didnt have bacteria we wouldn't have some medicine or cheese or yogurt etc.