Question

URGENTEE! preciso de ajuda.
Alguém pode me ajudar a responder esses exercícios?

Answer 1

1) (-12 a² b³)² = (-12)².(a²)². (b³)² = 144 . a⁴ . b⁶

2) ($\frac{-1xy^{2}} {3} )^{3} = \frac{(-1)^{3}.x^{3},(y^{2})^{3}}    {3^{3}} =  \frac{-1. x^{3}. y^{6}}{27}$

3)

a) (-2mn³)⁴ = 16.m⁴.n¹²

b) (12a²b)² = 144.a⁴.b²

c) (-3x²y³)³ = -27.x⁶.y⁹

d) (0,2y²z)⁵ = 0,00032.y¹⁰.z⁵

e) (-x²y³)⁸ = x¹⁶.y²⁴

f) $(\frac{a^{2}. b^{2}} {2})^{3}  = \frac{ a^{6}.b^{6}}{8}$

g) $(\frac{-m. n^{3} }{4})^{3} = \frac{- m^{3}. n^{9}}{64}$

h) (-0,3ay⁴)² = 0,09.a².y⁸

4) (-2x²)³ = -8.x⁶/2x⁴ = -4x²

5) $\frac{81}{100}.x^{4}.y^{2} => m^{2} = \frac{81}{100}.x^{4}.y^{2} => m = \sqrt{\frac{81}{100}.x^{4}.y^{2}} => m = \frac{9}{10}.x^{2}.y$