Tính: a) (2/3)^10*3^10 b) (–125)3 : 253; c) (0,08)3.106

a) ${\left(\frac{2}{3}\right)}^{10}{.3}^{10}={\left(\frac{2}{3}.3\right)}^{10}=2^{10}.$

b) (–125)³ : 25³ = (–125 : 25)³ = (–5)³ = –125.

c) (0,08)³.10⁶  = ${\left(\frac{8}{100}\right)}^3{.10}^6={\left(\frac{8}{{10}^2}\right)}^3{.10}^6$