Chapter 1.6, Problem 1PPA

Practice ProblemATTEMPT

Perform the following arithmetic operations, and report the result to the proper number of significant figures: $\left(\text{a}\right)\text{ 105}\text{.5 L}÷\text{10}\text{.65L, }\left(\text{b}\right)\text{ 81}\text{.058 m - 0}\text{.35 m, }\left(\text{c}\right)\text{ 3}\text{.801 }\times {\text{10}}^{\text{21}}\text{atoms }÷\text{1}\text{.228 }\times {\text{10}}^{\text{19}}\text{atoms, }\left(\text{d}\right)\text{ 1}\text{.255 dm}\times \text{ 25 dm}\text{. }\left(\text{e}\right)\text{ 139 g }÷\text{275}\text{.55 mL}\text{.}$