Answer:
Commutative and multiplicative identity
Step-by-step explanation:
mark brainlyist
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
Answer:

Step-by-step explanation:
A) 604.2
B) 609.9
C) 537.42
D) 542.49
Answer:
8
Step-by-step explanation:
<span>0.827 = 0.827 / 1
Numerator = 0.827 × 10 × 10 × 10 = 827
Denominator = 1 × 10 × 10 × 10 = 1000
Numerator / Denominator = 827 / 1000
Simplifying our fraction
= 827/1000
= 827/1000</span>