Q348: Solve the problem. Express the answer
Q349: Evaluate.<br>- <span class="ql-formula" data-value="x^{1}"><span class="katex"><span class="katex-mathml"><math
Q350: Subtract.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB10331/.jpg" alt=" Subtract. -
Q351: Identify the degree of each term
Q352: Multiply and simplify.<br>- <span class="ql-formula" data-value="a^{-8}
Q354: Collect like terms.<br>- <span class="ql-formula" data-value="9
Q355: Collect like terms and then arrange
Q356: Simplify.<br>- <span class="ql-formula" data-value="\left(-2 \mathrm{p}^{-2} \mathrm{q}^{2}
Q357: Multiply.<br>- <span class="ql-formula" data-value="8 x^{2}\left(-4 x^{6}-8\right)"><span
Q358: Simplify.<br>- <span class="ql-formula" data-value="\left(\frac{4}{b^{-3}}\right)^{4}"><span class="katex"><span class="katex-mathml"><math