Q210: Combine.<br>- <span class="ql-formula" data-value="11+9-(-7)"><span class="katex"><span class="katex-mathml"><math
Q211: Determine the sign and the absolute value
Q212: Multiply.<br>- <span class="ql-formula" data-value="-0.1 \cdot(-14.8)"><span class="katex"><span
Q213: Multiply.<br>- <span class="ql-formula" data-value="-13 \cdot(-13)"><span class="katex"><span
Q214: Insert parentheses, if needed, to make
Q216: Simplify.<br>- <span class="ql-formula" data-value="-4(3-11)+(-5)^{2}+(-6)(-9)"><span class="katex"><span class="katex-mathml"><math
Q217: Simplify.<br>- <span class="ql-formula" data-value="\frac{2^{2}-(-10)}{2}"><span class="katex"><span class="katex-mathml"><math
Q218: Multiply.<br>- <span class="ql-formula" data-value="-4 \cdot(-0.4) \cdot
Q219: Multiply.<br>- <span class="ql-formula" data-value="10 \cdot(-2) \cdot(-7)"><span
Q220: Solve the problem.<br>-A bike road race