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Q9: Round the number to three significant digits.
Q21: A nurse gives two tablets of ephedrine,
Q26: Find the slope of the line.
Q85: Solve the equation and check.
Q87: Draw the graphs of the pair
Q128: Classify the number below as prime
Q182: Divide. <span class="ql-formula" data-value="\frac {
Q205: Distribute $198 into three parts so that
Q242: Use the formula <span class="ql-formula"
Q341: Change the percent to a fraction or