Question

Please help I don't understand exponents

Answer 1

Answer:

1.)  the answer is the fourth one, 1/5^7

2.)  the answer is the fourth one, 1/5^6

3.)  the answer is the fourth one, (2^6)^-5

4.) this is seems to be a duplicate of the first one

Step-by-step explanation:

1.) by 'adding' 4 exponent values on the top it simplifies the top to simply one and 5^7 on the bottom

2.) since this is an exponent of an exponent multiply them, getting 5^-6, then simplify negative exponents.

3.) exponents of exponents are multiplied

Answer 2

Step-by-step explanation:

everything can be found in the picture above