Q162: Multiply.<br>- <span class="ql-formula" data-value="\left(3 x^{2}+2 x+3\right)\left(x^{2}-2
Q163: Write the number in scientific notation.<br>-76.023<br>A)
Q164: Evaluate.<br>- <span class="ql-formula" data-value="\mathrm{cd}^{0}"><span class="katex"><span class="katex-mathml"><math
Q165: Multiply.<br>- <span class="ql-formula" data-value="(n+13)^{2}"><span class="katex"><span class="katex-mathml"><math
Q166: Add.<br>- <span class="ql-formula" data-value="\left(-7+3 x^{6}+5 x^{4}\right)+\left(5
Q168: Multiply and simplify.<br>- <span class="ql-formula" data-value="3^{4}
Q169: Arrange the polynomial in descending order.<br>-
Q170: Express the following using negative exponents.<br>-
Q171: Multiply.<br>- <span class="ql-formula" data-value="(p+9 q)(p-9 q)"><span
Q172: Arrange the polynomial in descending order.<br>-