Solveit

$\frac{1}{9}\times\frac{1}{8}\times\frac{1}{7}=\frac{1}{504}$

$(5-2)\times180=540$

-0.93+3=2.07

yes you are right it is 6

 37.3              

asin(0.151) = 8.684882457972

$2. \ \frac{1.5*3*4}{2}*4=36\\ 5. \ \frac{1.5*2*4}{2}*6=36 \\ $

$3. \\ 90 ^{\circ}-12\\ 60^{\circ}-6\sqrt{3}\\ 30^{\circ}-6\\ \frac{6*6\sqrt{3}}{2}*15=270\sqrt{3}$

asin(0.6428) = 40.000926731461 (degree)

45*14n = 630n

8