The number 143 200 is correct to x signifant figures. Write down the possible values of x. pls I need the answer fast I'll make you brainliest, and if you are writing the answer pls give the working aswell.

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y