Answer:
4
Step-by-step explanation:
-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11.
These are the numbers -3, and 11, and every number in between them.
The number in the very middle of these numbers is 4.
Answer:
5
Step-by-step explanation:
Answer:
2x +7
Step-by-step explanation:
2x2 is multiplication , so u multiply ,minus the 2x would be 4x -2x , so it will give 2x + 7 as final asnwer
The expression is:

Simplify the expression:
1. Multiply the exponent outside the parenthesis with every exponent inside the parenthesis,

Since, exponents in negative form are express as fraction with 1 as numerator.

Answer: 1/81d^(-20)