Question

  

Answer 1

\(1)8x^4:x^3\\ =8x^{4-3}\\ =8x\\ 2)16y^3:y^2\\ =16y^{3-2}\\ =16y\\ 3)39x^4:\left(13x^2\right)\\ =\left(39:13\right)\cdot\left(x^4:x^2\right)\\ =3x^{4-2}\\ =3x^2\)

Answer 2

1: \(8x^4:x^3=8x^{4-3}=8x\)

2: \(\dfrac{16y^3}{y^2}=16\cdot y^{3-2}=16y\)

3: \(\dfrac{39x^4}{13x^2}=\dfrac{39}{13}\cdot\dfrac{x^4}{x^2}=3x^2\)