Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

Add a sign 5 2 1 0 = 520

OpenStudy (anonymous):

52*10=520.

OpenStudy (anonymous):

(Sorry about this, i need to post this to make my account work! again sorry for spam!)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!