Q61: Add.<br>- <span class="ql-formula" data-value="363.1+0.23+54.78+54+6.2"><span class="katex"><span class="katex-mathml"><math
Q62: Estimate by rounding as directed.<br>-532.432 - 41.8;
Q63: Solve.<br>-A person burns 11.3 calories per
Q64: Simplify.<br>- <span class="ql-formula" data-value="27.2+4.47 \times(7.8-0.6)^{2}"><span class="katex"><span
Q65: Write the fraction in decimal notation.<br>-
Q67: Divide.<br>- <span class="ql-formula" data-value="336.99 \div 23.9"><span
Q68: Simplify.<br>- <span class="ql-formula" data-value="153.3-5.44 \times 7.06"><span
Q69: Add.<br>- <span class="ql-formula" data-value="59.05339+152+2.924+86.08+3.5934"><span class="katex"><span class="katex-mathml"><math
Q70: Dave bought 15 packets of cookies
Q71: Estimate the product by first rounding