Answer:
given us,
n=4
here
3^-n+1-3^-n+2
3^-4+1-3^-4+2
-4+1-4+2
-5
Step-by-step explanation:
we can put value in n .we can power add and subtract then we can cut 3 then power we can add or subtract
Answer:101
Step-by-step explanation:
U just add all the numbers together

×

First, convert

to an improper fraction. Use this rule:

=

/ Your problem should look like:

×
Second, simplify 4 × 6 to 24. / Your problem should look like:

×
Third, simplify 24 + 1 to 25. / Your problem should look like:

×
Fourth, apply this rule:

×

=

/ Your problem should look like:
Fifth, simplify 3 × 25 to 75. / Your problem should look like:
Sixth, simplify 5 × 6 to 30. / Your problem should look like:
Seventh, simplify. / Your problem should look like:
Eighth, convert to mixed fraction. / Your problem should look like:

Answer:
Tan(-x)csc(-x)sec -1 (-x)cot(-x) i am not sure, I hope you get a good grade, this is what i got.. ',: (
29.52/2.4 =12.3
so 2.4 groups will go into 29.52, 12.3 times