Question

Simplify :(a2×a-2×a2)-13

Answer 1

11^3/11^4. (a^-m=1/a^m)
11^3-4=11^-1=1/11^1=(1/11)^2
=1/121

Answer 2

Step-by-step explanation:

[11^(-4)-(-3)]^2

[11^(-4)+3]^2

[11^-1]^2

[11^-1×2]

11^-2

1/11^2

ans:1/121