Step-by-step explanation:
a. 3
b. I think it's 1
c. the same with b
d. 3
e. 7
f. 2
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Answer: 21n^4 -46n^3 -4n^2 +7n
Step-by-step explanation:
21n^4 +3n^3 +3n^2 -49n^3 -7n^2 +7n =
21n^4 -46n^3 -4n^2 +7n
Of course. Any positive number can be an absolute value.
5.09 is the absolute value of +5.09 and also of -5.09 .
Up, it is a positive number even squared
