Question

1. Simplify: a^7/a^4

Answer 1

1)a^7/a^4
=a^[7-4]
=a³


2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²

3)3x^6/18x
=x^5/6