Chapter 2: Problem 22
Subtract 7.11 \(\mathrm{cm}\) from 8.2 \(\mathrm{cm} .\)
Chapter 2: Problem 22
Subtract 7.11 \(\mathrm{cm}\) from 8.2 \(\mathrm{cm} .\)
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Get started for freeDo the following calculations, and write the answers with the correct number of significant figures. $$\begin{array}{l}{\text { a. } 15.75 \mathrm{m} \times 8.45 \mathrm{m}} \\\ {\text { b. } 5650 \mathrm{L} / 27 \mathrm{min}} \\ {\text { c. } 6271 \mathrm{m} / 59.7 \mathrm{s}}\end{array}$$
Water evaporates from a puddle on a hot, sunny day faster than on a cold, cloudy day. Explain this phenomenon in terms of inter actions between matter and energy.
What are significant figures?
Beaker \(A\) contains water at a temperature of \(15^{\circ} \mathrm{C}\) . Beaker \(\mathrm{B}\) contains water at a temperature of \(37^{\circ} \mathrm{C}\) . Which beaker contains water molecules that have greater average kinetic energy? Explain your answer.
Write the following numbers in scientific notation. a. 0.0006730 b. 50000.0
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