Q194: Multiply.<br>- <span class="ql-formula" data-value="\left(x^{2}+4 y^{2}-x y\right)\left(x^{2}+3
Q195: Simplify.<br>- <span class="ql-formula" data-value="\left(\frac{5}{b^{-3}}\right)^{5}"><span class="katex"><span class="katex-mathml"><math
Q196: Multiply and simplify.<br>- <span class="ql-formula" data-value="5^{9}
Q197: Multiply and simplify.<br>- <span class="ql-formula" data-value="x
Q198: Collect like terms<br>- <span class="ql-formula" data-value="8
Q200: Multiply.<br>- <span class="ql-formula" data-value="\left(x+\frac{1}{3}\right)\left(2 x^{3}+4 x^{2}-4
Q201: Evaluate.<br>- <span class="ql-formula" data-value="\left(\frac{4}{7}\right)^{1}"><span class="katex"><span class="katex-mathml"><math
Q202: Subtract.<br>- <span class="ql-formula" data-value="\left(9 x^{5}+2 x^{7}-2+2
Q203: Perform the division.<br>- <span class="ql-formula" data-value="\left(x^{4}-81\right)
Q204: Rank the numbers in order from