Q268: Multiply.<br>- <span class="ql-formula" data-value="\left(x^{2}-0.4\right)\left(x^{2}+0.4\right)"><span class="katex"><span class="katex-mathml"><math
Q269: Multiply.<br>- <span class="ql-formula" data-value="(4 \mathrm{x}-3)(4 \mathrm{x}+3)"><span
Q270: Multiply.<br>- <span class="ql-formula" data-value="(2 p-1)\left(4 p^{2}+2
Q271: Multiply mentally.<br>- <span class="ql-formula" data-value="\left(4 x^{2}+8\right)(x-3)"><span
Q272: What is the meaning of the
Q274: Perform the division.<br>- <span class="ql-formula" data-value="\frac{-16
Q275: Divide.<br>- <span class="ql-formula" data-value="\frac{36 x^{2}-28 x+5}{4}"><span
Q276: Choose the one alternative that best
Q277: Evaluate.<br>- <span class="ql-formula" data-value="y^{1}-5"><span class="katex"><span class="katex-mathml"><math
Q278: Write the number in scientific notation.<br>-0.000603<br>A)