Answer:
the value of 3 in 0.3947 is TENTHS
Answer:
7
Step-by-step explanation:
The terms in descending powers of a variable are
.
Given that
Polynomial; 
<h3>We have to determine</h3>
After arranging the terms in descending powers of a variable, select the opposite of the polynomial.
<h3>According to the question</h3>
A polynomial is an expression consisting of coefficients and variables which are also known as indeterminates.
<h3>Degree of a Polynomial</h3>
The degree of a polynomial can be defined as the highest degree of a monomial within a polynomial.
The degree of the polynomial can be defined as a polynomial equation having a single variable that has the greatest exponent.
Therefore
The terms in descending powers of a variable are;

Hence, The terms in descending powers of a variable are
.
To know more about Polynomial click the link given below.
brainly.com/question/10343430
Answer: 6
Step-by-step explanation:
7 - 3 = 4
3 - 4 = 0
0 - 6 = -6