Toán 3³.$6^{5}$ .$\frac{8}{9}$ .$2^{8}$ giúp 16/07/2021 By Claire 3³.$6^{5}$ .$\frac{8}{9}$ .$2^{8}$ giúp
$3^3.6^5.\dfrac{8}{9}.2^8$ $=3^3.3^5.2^5.\dfrac{8}{9}.2^8$ $=3^8.2^{13}.\dfrac{8}{9}$ $=6561.8192.\dfrac{8}{9}$ $=53747712.\dfrac{8}{9}$ $=47775744$ Trả lời
$3^3.6^5.\dfrac{8}{9}.2^8$ $=3^3.(2.3)^5.\dfrac{2^3}{3^2}.2^8$ $=3^3.2^5.3^5.\dfrac{2^3}{3^2}.2^8$ $=2^{16}.3^8.\dfrac{1}{3^2}$ $=2^{16}.3^6$ $=65536.729$ $=\text{47 775 744}$ Trả lời
$3^3.6^5.\dfrac{8}{9}.2^8$
$=3^3.3^5.2^5.\dfrac{8}{9}.2^8$
$=3^8.2^{13}.\dfrac{8}{9}$
$=6561.8192.\dfrac{8}{9}$
$=53747712.\dfrac{8}{9}$
$=47775744$
$3^3.6^5.\dfrac{8}{9}.2^8$
$=3^3.(2.3)^5.\dfrac{2^3}{3^2}.2^8$
$=3^3.2^5.3^5.\dfrac{2^3}{3^2}.2^8$
$=2^{16}.3^8.\dfrac{1}{3^2}$
$=2^{16}.3^6$
$=65536.729$
$=\text{47 775 744}$