Here is 13 & 16 .. take you time :)

Answer:
13) 1 Remove parentheses.
4
0.
×
4
−
3
4
0.
×4
−3
2 Use Negative Power Rule:
x
−
a
=
1
x
a
x
−a
=
x
a
1
.
4
0.
×
1
4
3
4
0.
×
4
3
1
3 Simplify
4
3
4
3
to
64
64.
4
0.
×
1
64
4
0.
×
64
1
4 Simplify.
4
0.
64
64
4
0
16) 6
0
6.
×2
6
2 Simplify
2
6
2
6
to
64
64.
0
6.
×
64
0
6.
×64
I hope this helps you
Answer:
[tex] {4}^{0} . \: \: {4}^{ - 3} \\ = {4}^{0 + ( - 3)} \\ = {4}^{ - 3} \\ = \frac{1}{ {4}^{3} } [/tex]
[tex] {0}^{6} . \: \: {2}^{6} \\ = {0}^{6 + 6} \\ = {0}^{12} [/tex]