第7章実数の性質

For the numbers $\text{0.18349…},0.\stackrel{\text{–}}{2},1.67,$ list the ⓐ rational numbers and ⓑ irrational numbers.

Is $\sqrt{144}$ rational or irrational?

From the numbers $\mathrm{-4},-1\frac{1}{2},0,\frac{5}{8},\sqrt{2},7,$ which are ⓐ integers ⓑ rational ⓒ irrational ⓓ real numbers?

Rewrite using the commutative property: $x·14=\_\_\_\_\_\_\_\_\_$

Rewrite the expression using the associative property: $(y+6)+3=\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Rewrite the expression using the associative property: $(8·2)·5=\_\_\_\_\_\_\_\_\_\_\_$

Evaluate $\frac{3}{16}\left(\frac{16}{3}n\right)$ when $n=42.$

For the number $\frac{2}{5}$ find the ⓐ additive inverse ⓑ multiplicative inverse.

Azize walked $4\frac{1}{2}$ miles. Convert this distance to feet. $\text{(1 mile}=\text{5,280 feet).}$

One cup of milk contains $276$ milligrams of calcium. Convert this to grams. $\text{(1 milligram}=\text{0.001 gram)}$

Larry had $5$ phone customer phone calls yesterday. The calls lasted $28,44,9,75,\text{and}55$ minutes. How much time, in hours and minutes, did Larry spend on the phone? $\text{(1 hour}=\text{60 minutes)}$

Janice ran $15$ kilometers. Convert this distance to miles. Round to the nearest hundredth of a mile. $\text{(1 mile}=\text{1.61 kilometers)}$

Yolie is $63$ inches tall. Convert her height to centimeters. Round to the nearest centimeter. $\text{(1 inch}=\text{2.54 centimeters)}$

Use the formula $F=\frac{9}{5}C+32$ to convert $35\text{°C}$ to degrees $\text{F}$