Question 1136998
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(a) Terms are the expressions that are ADDed together.  So view the expression as<br>
{{{(3x^2y) + (-2xy ) + (x) + (-1)}}}<br>
The terms are then 3x^2y, -2xy, x, and -1.<br>
The coefficients are the numerical part of each term: 3, -2, 1, and -1.<br>
The degree of each term is the sum of the exponents of all the variables in the term: 3 (2 x's and 1 y), 2 (1 x and 1 y), 1 (only an x), and 0 (no variables).<br>
The degree of the  polynomial is the highest degree of any term: 3.<br>
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240,000 = 2.4*10^5<br>
(2.4*10^5)/(4*10^4) = 0.6*10^1 = 6 hours