Question

find the product
$( - 3xyz) ( \frac{4}{9} x ^{2} z ) \: ( \frac{27}{?2}xy {}^{2} z)$
and verify for x=2, y=3 and z= -1

plz help
gift for the answer-
100 points
plz help​

Answer 1

$( - 3xyz) ( \frac{4}{9} x ^{2} z ) \: ( \frac{27}{2}xy {}^{2} z) \\ \\ (- 3 \times 2 \times 3 \times - 1)( \frac{4}{9} \times {2}^{2} \times - 1)( \frac{27}{2} \times 2 \times {3}^{2} \times - 1) \\ \\ 18 \times \frac{ - 16}{9} \times - 243 \\ \\ - 32 \times - 243 \\ \\ 7776$