Question

do this both questions by solving dont write exact answers plz do fast​

Answer 1

Answer:

q10. 125 = 5^3

729 = 9^3

now, (5/9)^12-x = (5/9)^3

so, 12-x = 3

x= 9

q11. 8 +3×4×3 + 3×2×9 +27

8 + 36 + 54 + 27

125

u asked quick answer so this is it