Question

plz guys

solve it soon
I have board today

plz guys it's an emergency​

Answer 1

Answer:

3(27)-2/3

3×27^0.66

3×8.8044

26.413

Answer 2

Answer:

$3*(27)^{-\frac{2}{3} }$ $=\frac{1}{3}$

Step-by-step explanation:

$3*(27)^{-\frac{2}{3} }$

$=3*(3^3)^{-\frac{2}{3} }$

$=3*3^{3*(-\frac{2}{3})}$  [∵ $(a^m)^n = a^{mn}$]

$=3*3^{-2}$

$=3*\frac{1}{3^{2}}$  [∵ $a^{(-m)} = \frac{1}{a^m}$]

$=\frac{1}{3}$