Q114: Express the following using negative exponents.<br>-
Q115: Express the following using negative exponents.<br>-
Q116: Add.<br>- <span class="ql-formula" data-value="(7 \mathrm{x}-6)+(4 \mathrm{x}-3)"><span
Q117: Solve the problem.<br>-The polynomial <span
Q118: Solve the problem. Express the answer
Q120: Subtract.<br>- <span class="ql-formula" data-value="(8 x+9)-(16 x+9)"><span
Q121: Multiply.<br>- <span class="ql-formula" data-value="\left(x^{2}+3\right)^{2}"><span class="katex"><span class="katex-mathml"><math
Q122: Multiply or divide and write scientific
Q123: Multiply.<br>- <span class="ql-formula" data-value="\left(0.1 x^{5}\right)\left(0.8 x^{3}\right)"><span
Q124: Multiply.<br>- <span class="ql-formula" data-value="(-9 y-7)\left(3 y^{2}-y-3\right)"><span