Q181: Express using positive exponents. Then simplify.<br>-
Q182: Multiply.<br>- <span class="ql-formula" data-value="\left(9 y^{2}-4\right)\left(9 y^{2}+4\right)"><span
Q183: Solve the problem.<br>-The height <span
Q184: Subtract.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9836/.jpg" alt=" Subtract. -
Q185: Collect like terms.<br>- <span class="ql-formula" data-value="15
Q187: Multiply.<br>- <span class="ql-formula" data-value="\left(3 x^{2}\right)(0)"><span class="katex"><span
Q188: Write the number in scientific notation.<br>-0.000543<br>A)
Q189: Perform the division.<br>- <span class="ql-formula" data-value="\frac{-6
Q190: Divide and simplify.<br>- <span class="ql-formula" data-value="\frac{y^{-11}}{y^{4}}"><span
Q191: Multiply.<br>- <span class="ql-formula" data-value="\left(2 m^{2}+m+2\right)(5 m+9)"><span