IB Mathematics Applications & Interpretation Question Type 2: Rounding Numbers to a Specific Value in Significant Figures Exercises

Round $593.999$ to 4 significant figures.

Round $12345.67$ to $4$ significant figures.

Calculate $0.0678÷0.0034$ and round your answer to 2 significant figures.

Compute $5.678\times 2.34$ and round your answer to 3 significant figures.

Calculate $(12.345+0.0067)$ and round the result to 3 significant figures.

Round $0.00456789$ to $2$ significant figures.

Express $0.000123456$ to 5 significant figures.

Calculate $123\times 456.7$ and round the final result to 5 significant figures.

Round $9.87654$ to 3 significant figures.

A chemical concentration is measured as $0.034567\text{M}$. Express this value to 3 significant figures.

The density of a sample is found by dividing its mass $78.6\text{g}$ by its volume $0.0452{\text{cm}}^3$. Calculate the density and round to 4 significant figures.

A measurement of a length is $0.00098765\text{m}$. Round this to 2 significant figures.

Multiply $456.2\times 0.00321$ and round your answer to 4 significant figures.

Round $0.99949$ to 3 significant figures.