Question

Por favor me ajudem!!

Answer 1

a.

$28 { }^{2} = 784$

b.

$a {}^{3}$

c.

$\sqrt{15 {}^{3} } = 15 \sqrt{15}$

d.

$\sqrt[5]{xy {}^{3} }$

e.

$(2x + 3) {}^{3} = 8x {}^{3} + 36x {}^{2} + 54x + 27$