exam Maths Puzzle Numerical Ability

how do you convert to standard form i dont have a text book im using nova net

Read Solution (Total 0)

exam Other Question

(?7)+(?1/7) I have this expression

square root of -144
which would be 12 12
break it out further it would be -3*4 and -3*4
so than it would be -4 square root 3?

These kind of problems play with your head. Is this correct?