3
Which polynomials are in standard form?
x²y³ + y + 3xy²
-5a³+12a²b-15ab²+ b³
3
4xy + 2x²y² + xy³
7x² + 4x³y - 3x²y2² - y²
14b3 +ab³-6ab + 8ab²
3a + 4a³b-6a²b² - 4ab³-b4
