Question

See the attachment and plz show the whole method I need the working ch-Exponents or Powers
no spam plz ​

Answer 1

Answer:

(16a^4/49×49) × {(7×7×7)/(8×8×8×a^3)} × {(16a^2)/(9)}

=a^3/(7×2×9)

=a^3/126

Answer 2

Answer:

I am also fine sis thanks for asking