Q219: Find the degree of the polynomial.<br>-
Q220: Subtract.<br>- <span class="ql-formula" data-value="\left(0.7 x^{4}-0.8 x^{3}+0.9\right)-\left(4.6
Q221: Multiply.<br>- <span class="ql-formula" data-value="\left(-9 x^{2}\right)\left(2 x^{3}\right)"><span
Q222: Express the following using negative exponents.<br>-
Q223: Simplify.<br>- <span class="ql-formula" data-value="\left(\frac{x^{6}}{5}\right)^{5}"><span class="katex"><span class="katex-mathml"><math
Q225: Solve the problem.<br>-The distance <span
Q226: Tell whether or not the number
Q227: Evaluate the polynomial.<br>- <span class="ql-formula" data-value="2
Q228: Evaluate the polynomial.<br>- <span class="ql-formula" data-value="-5
Q229: Multiply.<br>- <span class="ql-formula" data-value="\left(0.5 x^{5}\right)\left(-0.3 x^{2}\right)"><span