Question

simplify both the questions and please answer step by step​

Answer 1

Answer:

I am week in maths

Sorry for this

Answer 2

Answer:

For the first equation:

5^7*[(5*3)^2]^-1/(5^2)^2

=5^7*5^-2*3^-2/5^4

=5^5/5^4*9

=5/9

For the second equation:

First part of [(-8)^-2]^3 simplifies to -8^-6 which is 1/8^6

part of [(-8)^-3]^-3 simplifies to -8^9. So the first times second becomes -512.

Step-by-step explanation: