Critical Thinking
Earth’s moon has a mass of 7.3477 × 10(^22) kg.
Earth itself has a mass of 5.9742 × 10
(^24) kg.
Triton, which is one of the m
oons of Neptune,
has a mass of 2.147 × 10
(^22) kg, while Neptune
has a mass of 1.0243 × 10
(^26) kg. Which moon’s
mass repr
esents a greater part of the mass
of its planet?
In This Chapter You Will:
●Find the prime factorization of a number
●Find the greatest common factor (GCF)
and the least common multiple (LCM)
●Compare and order rational numbers
●Add, subtract, multiply, and divide
positive and negative fractions and
mixed numbers
●Use properties of rational numbers
●Solve equations and inequalities
containing rational numbers
●Rename customary units of measure
●Apply the strategy: Make a Drawing
●Look for new vocabulary words
highlighted in each lesson
●A rational number is any number
that can be written in the fractional
form , where aand bare integers
and b ≠ 0.
●A repeating decimal is a decimal
in which a digit or sequence of
digits repeats without end.
●Scientific notation shows a number
as the product of two factors: a, any
number greater than or equal to 1
but less than 10; and
a power of 10 in
exponentform, 10b.
a
b
●Skills Update Practice
●Practice Activities
●Audio Glossary
●Vocabulary Activities
●Calculator Activities
●Enrichment Activities
●Electronic SourceBook
Chapter 5 107