Write the numerical coefficient and the exponent for each term of the following expression: $13 x^{6} - 9 x^{5} + 8 x^{4} + x^{3} - x^{2} + 7 x$ .

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Solution

The numerical coefficient and the exponent for each term of the given expression: $13 x^{6} - 9 x^{5} + 8 x^{4} + x^{3} - x^{2} + 7 x$ :
Term Numerical Coefficient Exponent
$13 x^{6}$ $13$ $6$
$- 9 x^{5}$ $- 9$ $5$
$8 x^{4}$ $8$ $4$
$x^{3}$ $1$ $3$
$- x^{2}$ $- 1$ $2$
$7 x$ $7$ $1$

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