Given the expression –10p2q + 7p3q – 5q, do the following as instructed below:

write the polynomial in descending order.
classify the polynomial by the number of terms.
state the degree of the polynomial.

 The descending order of the polynomial is it is a trinomial and its degree is 4.

Step-by-step explanation:  The given expression is

The calculations according to the instructions are as follows:

(A) To write the polynomial in descending order, we need to arrange the degree of each term in descending order.

The degree of  -10p²q = 2 + 1 = 3.

The degree of 7p³q = 3 + 1 = 4.

The degree of -5q = 1.

So, the polynomial in descending order can be written as

(B) Since there are three terms in the polynomial, so the given polynomial is a trinomial.

(C) The degree of the polynomial is the degree of that term which has the highest power.

Since the power of the term 7p³q is 4, which is highest. So, the degree of the polynomial is 4.

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step-by-step explanation: