Question

Please answer me please pls pls pls pls pls​

Answer 1

Step-by-step explanation:

13) i) 3^-5*10^-5*125

5^-7*6^-5

=3^-5*(2*5)^-5*5^3

5^-7*(2*3)^-5

=3^-5*2^-5*5^-5*5^3

5^-7*2^-5*3^-5

=3^-5*2^-5*(5^-5+3)

5^-7*2^-5*3^-5

=3^-5*2^-5*5^-2

5^-7*2^-5*3^-5

=3^-5+5*2^-5+5*5^-2+7

=3^0*2^0*5^5

=1*1*5^5

=3125