Question

4. Simplify:
a) a^3 xa^4
b) (-3)^5+ (-3)^2​

Answer 1

a ) a³ × a⁴ = a⁷

b ) ( - 3 ) ⁵ + ( - 3 ) ²

- 243 + ( - 3 ) ²

- 243 + 9

- 234

Answer 2

Answer:

a) a^3×a^4

=a^(3+4)

=a^7

b) (-3)^5+(-3)^2

=(-3)^2{(-3)^3+1)

=(-3)^2(-27+1)

=9(-26)

= -234