Q268: Evaluate.<br>- <span class="ql-formula" data-value="3^{4}"><span class="katex"><span class="katex-mathml"><math
Q269: Multiply.<br>- <span class="ql-formula" data-value="4(2+\mathrm{m})"><span class="katex"><span class="katex-mathml"><math
Q270: Subtract.<br>- <span class="ql-formula" data-value="\frac{5}{9}-\frac{10}{9}"><span class="katex"><span class="katex-mathml"><math
Q271: Solve the problem.<br>-Wayne has <span
Q272: Insert < or <span class="ql-formula"
Q274: Translate to an algebraic expression.<br>-Monica had
Q275: Multiply.<br>- <span class="ql-formula" data-value="6(4 \mathrm{r}+7+9 \mathrm{~s})"><span
Q276: Insert < or <span class="ql-formula"
Q277: Convert to decimal notation.<br>- <span class="ql-formula"
Q278: Write the fraction in decimal notation.<br>-