example 2 writing reciprocals the table lists the mean lengths of five species of finches. order the...
TRANSCRIPT
EXAMPLE 2 Writing Reciprocals
The table lists the mean lengths of five species of finches. Order the finch species from shortest to longest.
Biology
EXAMPLE 2
SOLUTION
Write all of the lengths as decimals. The ones digits are all the same, so order according to the tenths digits. 5 5
8 = 5.625 5.5 5 716
5.4375= 5.25 5 34 = 5.75
ANSWER From shortest to longest the species are Painted Bunting, Lazuli Bunting, Indigo Bunting, House Finch, and Purple Finch.
EXAMPLE 2
Graph the finches’ lengths on a number line.
These lengths, from left to right, correspond to the answer.
Check
GUIDED PRACTICE for Example 2
Order the numbers from least to greatest.
3. 0.51, 3
511, 20
2,3
, 0.62
ANSWER From least to greatest
0.51 1120
35
, , 0.62,
3 2
GUIDED PRACTICE for Example 2
Order the numbers from least to greatest.
4. – 1 18
– 1 37
, , 1.1– , 1.43, –1 4 15
18
– 1 4,15
–1 37
– 1.43 , –1 , – 1.1 ,
ANSWER From least to greatest